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Cylinder head gasket
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Patent number 10,927,790
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Issue date Feb 23, 2021
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NOK CORPORATION
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Tokunori Yanagi
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Seal structure using metal gasket
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Patent number 9,726,290
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Issue date Aug 8, 2017
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NOK Corporation
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Kazuya Aihara
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Seal bead structure of gasket
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Patent number 9,581,244
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Issue date Feb 28, 2017
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NOK Corporation
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Takanori Anzai
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Seal structure using metal gasket
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Patent number 9,347,561
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Issue date May 24, 2016
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NOK Corporation
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Takanori Anzai
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...