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        <title>Graham Corporation Annual report pursuant to Section 13 and 15(d)</title>
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            <h3>Annual report pursuant to Section 13 and 15(d)</h3>
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                                <a class="menu-item " href="/sec-filings/annual-reports/xbrl_doc_only/429">Cover</a>
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                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/429">Document and Entity Information</a></li>
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                                <a class="menu-item " href="/sec-filings/annual-reports/xbrl_doc_only/430">Financial Statements</a>
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                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/430">CONSOLIDATED STATEMENTS OF OPERATIONS</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/431">CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/432">CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/433">CONSOLIDATED BALANCE SHEETS</a></li>
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                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/436">CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS&#039; EQUITY</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/437">CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS&#039; EQUITY (Parenthetical)</a></li>
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                                <a class="menu-item " href="/sec-filings/annual-reports/xbrl_doc_only/438">Notes to Financial Statements</a>
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                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/438">The Company and Its Accounting Policies</a></li>
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                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/440">Inventories</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/441">Property, Plant and Equipment</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/442">Intangible Assets</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/443">Product Warranty Liability</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/444">Leases</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/445">Debt</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/446">Financial Instruments and Derivative Financial Instruments</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/447">Income Taxes</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/448">Employee Benefit Plans</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/449">Stock Compensation Plans</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/450">Changes in Accumulated Other Comprehensive Loss</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/451">Segment Information</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/452">Commitments and Contingencies</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/453">Quarterly Financial Data (Unaudited)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/454">VALUATION AND QUALIFYING ACCOUNTS</a></li>
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                                <a class="menu-item " href="/sec-filings/annual-reports/xbrl_doc_only/455">Accounting Policies</a>
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                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/455">The Company and Its Accounting Policies (Policies)</a></li>
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                                <a class="menu-item current" href="/sec-filings/annual-reports/xbrl_doc_only/456">Notes Tables</a>
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                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/456">The Company and Its Accounting Policies (Tables)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/457">Inventories (Tables)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/458">Property, Plant and Equipment (Tables)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/459">Intangible Assets (Tables)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/460">Product Warranty Liability (Tables)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/461">Leases (Tables)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/462">Debt (Tables)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/463">Income Taxes (Tables)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/464">Employee Benefit Plans (Tables)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/465">Stock Compensation Plans (Tables)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/466">Changes in Accumulated Other Comprehensive Loss (Tables)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/467">Segment Information (Tables)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/468">Quarterly Financial Data (Unaudited) (Tables)</a></li>
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                                <a class="menu-item " href="/sec-filings/annual-reports/xbrl_doc_only/469">Notes Details</a>
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                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/469">The Company and Its Accounting Policies - Additional Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/470">The Company and Its Accounting Policies - Summary of Costs and Estimated Earnings on Contracts (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/471">The Company and Its Accounting Policies - Accompanying Consolidated Balance Sheets (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/472">The Company and Its Accounting Policies - Reconciliation of Numerators and Denominators of Basic and Diluted Income Per Share (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/473">Acquisition - Additional Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/474">Inventories - Major Classifications of Inventories (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/475">Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/476">Property, Plant and Equipment - Additional Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/477">Intangible Assets - Summary of Intangible Assets (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/478">Intangible Assets - Additional Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/479">Product Warranty Liability - Reconciliation of the Changes in Product Warranty Liability (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/480">Leases - Additional Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/481">Leases - Summary of Property, Plant and Equipment (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/482">Leases - Future Minimum Payments Required under Non-cancelable Leases (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/483">Debt - Additional Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/484">Debt - Long-term Capital Lease Obligations Outstanding (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/485">Financial Instruments and Derivative Financial Instrument - Additional Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/486">Income Taxes - Components of Income Before Income Taxes (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/487">Income Taxes - Provision for Income Taxes Related to Income Before Income Taxes (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/488">Income Taxes - Reconciliation of the Provision for Income Taxes (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/489">Income Taxes - Summary of Net Deferred Income Tax Liability (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/490">Income Taxes - Net Deferred Income Tax Liability (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/491">Income Taxes - Additional Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/492">Income Taxes - Summarizes the Changes to the Unrecognized Tax Benefit (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/493">Employee Benefit Plans - Additional Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/494">Employee Benefit Plans - Components of Postretirement Benefit Income and Pension Cost (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/495">Employee Benefit Plans - Weighted Average Actuarial Assumptions Used to Determine Net Pension Cost (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/496">Employee Benefit Plans - Changes in Company&#039;s Benefit Obligation, Plan Assets and Funded Status for Plan (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/497">Employee Benefit Plans - Weighted Average Actuarial Assumptions Used to Determine Benefit Obligation (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/498">Employee Benefit Plans - Summary of Amounts Recognized in Accumulated Other Comprehensive Loss, Net of Income Tax (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/499">Employee Benefit Plans - Summary of Increase/Decrease in Accumulated Other Comprehensive Loss, Net of Income Tax (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/500">Employee Benefit Plans - Summary of Benefit Payments, Which Reflect Future Service, are Expected to be Paid (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/501">Employee Benefit Plans - Summary of Weighted Average Asset Allocation of Plan Assets by Asset Category (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/502">Employee Benefit Plans - Fair Values of Company&#039;s Pension Plan Assets by Asset Category (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/503">Employee Benefit Plans - Weighted Average Actuarial Assumptions Used to Develop Projected Benefit Obligation (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/504">Employee Benefit Plans - Change in Fair Value of Plan Assets (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/505">Stock Compensation Plans - Additional Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/506">Stock Compensation Plans - Black-Scholes Option-Pricing Model with Weighted Average Assumptions (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/507">Stock Compensation Plans - Stock Option Awards (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/508">Stock Compensation Plans - Stock Options Outstanding (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/509">Stock Compensation Plans - Schedule of Restricted Stock Awards (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/510">Changes in Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive Loss by Component (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/511">Changes in Accumulated Other Comprehensive Loss - The Reclassifications Out of Accumulated Other Comprehensive Loss by Component (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/512">Segment Information - Additional Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/513">Segment Information - Net Sales by Product Line (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/514">Segment Information - Breakdown of net sales by geographic area (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/515">Quarterly Financial Data (Unaudited) - Summary of the Company&#039;s unaudited quarterly results (Detail)</a></li>
                                                                            <li><a href="/sec-filings/annual-reports/xbrl_doc_only/516">SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Detail)</a></li>
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                <h4>Product Warranty Liability (Tables)</h4>
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