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Oil pump apparatus
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Patent number 6,247,904
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Issue date Jun 19, 2001
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Aisin Seiki Kabushiki Kaisha
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Hisashi Miyazaki
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Oil pump apparatus
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Patent number 6,116,878
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Issue date Sep 12, 2000
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Aisen Seiki Kabushiki Kaisha
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Yoshinori Miura
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Oil pump apparatus
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Patent number 6,004,111
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Issue date Dec 21, 1999
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Aisin Seiki Kabushiki Kaisha
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Hisashi Miyazaki
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Oil pump apparatus
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Patent number 5,759,013
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Issue date Jun 2, 1998
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Aisin Seiki Kabushiki Kaisha
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Hisashi Miyazaki
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...