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Spherical annular seal member
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Patent number 7,717,435
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Issue date May 18, 2010
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Oiles Corporation
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Shuichi Kubota
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Spherical annular seal member
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Patent number 7,413,195
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Issue date Aug 19, 2008
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Oiles Corporation
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Shuichi Kubota
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Acrylic rubber composition
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Patent number 5,869,197
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Issue date Feb 9, 1999
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NOK Corporation
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Kenji Mikuni
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Acrylic rubber composition
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Patent number 5,807,913
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Issue date Sep 15, 1998
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NOK Corporation
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Kenji Mikuni
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...