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  <xsd:element abstract="true" id="grc_statement-statement-note-e-accumulated-other-comprehensive-income-loss-components-of-accumulated-other-comprehensive-income-loss-as-reported-in-the-consolidated-balance-sheets-details" name="statement-statement-note-e-accumulated-other-comprehensive-income-loss-components-of-accumulated-other-comprehensive-income-loss-as-reported-in-the-consolidated-balance-sheets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="grc_statement-statement-note-e-accumulated-other-comprehensive-income-loss-reclassification-out-of-accumulated-other-comprehensive-income-details" name="statement-statement-note-e-accumulated-other-comprehensive-income-loss-reclassification-out-of-accumulated-other-comprehensive-income-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="grc_statement-statement-note-e-accumulated-other-comprehensive-loss-tables" name="statement-statement-note-e-accumulated-other-comprehensive-loss-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="grc_statement-statement-note-f-income-taxes-components-of-income-tax-expense-details" name="statement-statement-note-f-income-taxes-components-of-income-tax-expense-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="grc_statement-statement-note-f-income-taxes-deferred-tax-assets-and-liabilities-details" name="statement-statement-note-f-income-taxes-deferred-tax-assets-and-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="grc_statement-statement-note-f-income-taxes-reconciliation-of-income-tax-expense-by-applying-the-statutory-federal-rate-details" name="statement-statement-note-f-income-taxes-reconciliation-of-income-tax-expense-by-applying-the-statutory-federal-rate-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="grc_statement-statement-note-f-income-taxes-reconciliation-of-the-beginning-and-ending-amount-of-unrecognized-tax-benefits-details" name="statement-statement-note-f-income-taxes-reconciliation-of-the-beginning-and-ending-amount-of-unrecognized-tax-benefits-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="grc_statement-statement-note-f-income-taxes-tables" name="statement-statement-note-f-income-taxes-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="grc_statement-statement-note-g-pension-and-other-postretirement-benefits-allocation-of-plan-assets-details" name="statement-statement-note-g-pension-and-other-postretirement-benefits-allocation-of-plan-assets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="grc_statement-statement-note-g-pension-and-other-postretirement-benefits-amounts-recognized-in-the-companys-consolidated-balance-sheets-details" name="statement-statement-note-g-pension-and-other-postretirement-benefits-amounts-recognized-in-the-companys-consolidated-balance-sheets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="grc_statement-statement-note-g-pension-and-other-postretirement-benefits-assumptions-used-details" name="statement-statement-note-g-pension-and-other-postretirement-benefits-assumptions-used-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="grc_statement-statement-note-g-pension-and-other-postretirement-benefits-components-of-net-periodic-benefit-cost-details" name="statement-statement-note-g-pension-and-other-postretirement-benefits-components-of-net-periodic-benefit-cost-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="grc_statement-statement-note-g-pension-and-other-postretirement-benefits-expected-future-benefit-payments-details" name="statement-statement-note-g-pension-and-other-postretirement-benefits-expected-future-benefit-payments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="grc_statement-statement-note-g-pensions-and-other-postretirement-benefits-tables" name="statement-statement-note-g-pensions-and-other-postretirement-benefits-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="grc_statement-statement-note-h-goodwill-and-other-intangible-assets-changes-in-carrying-value-of-goodwill-details" name="statement-statement-note-h-goodwill-and-other-intangible-assets-changes-in-carrying-value-of-goodwill-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="grc_statement-statement-note-h-goodwill-and-other-intangible-assets-major-components-of-goodwill-and-other-intangible-assets-details" name="statement-statement-note-h-goodwill-and-other-intangible-assets-major-components-of-goodwill-and-other-intangible-assets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="grc_statement-statement-note-h-goodwill-and-other-intangible-assets-tables" name="statement-statement-note-h-goodwill-and-other-intangible-assets-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="grc_statement-statement-note-i-business-segment-information-components-of-customer-sales-determined-based-on-the-location-of-customers-details" name="statement-statement-note-i-business-segment-information-components-of-customer-sales-determined-based-on-the-location-of-customers-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="grc_statement-statement-note-i-business-segment-information-net-sales-from-external-customers-by-product-category-details" name="statement-statement-note-i-business-segment-information-net-sales-from-external-customers-by-product-category-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="grc_statement-statement-note-i-business-segment-information-tables" name="statement-statement-note-i-business-segment-information-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
</xsd:schema>
