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Diaphragm pump
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Patent number 4,050,861
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Issue date Sep 27, 1977
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Toyota Jidosha Kogyo Kabushiki Kaisha
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Toshimitsu Sakai
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Diaphragm fluid pump
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Patent number 3,999,899
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Issue date Dec 28, 1976
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Toyota Jidosha Kogyo Kabushiki Kaisha
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Toshimitsu Sakai
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Diaphragm vacuum pump for vehicles
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Patent number 3,969,045
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Issue date Jul 13, 1976
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Toyota Jidosha Kogyo Kabushiki Kaisha
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Toshimitsu Sakai
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Vacuum producing system
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Patent number 3,950,946
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Issue date Apr 20, 1976
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Toyota Jidosha Kogyo Kabushiki Kaisha
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Toshimitsu Sakai
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B60 - VEHICLES IN GENERAL