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Rotary compression mechanism
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Patent number 10,145,373
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Issue date Dec 4, 2018
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DENSO CORPORATION
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Yoshinori Murase
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Rotary pump
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Patent number 6,666,671
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Issue date Dec 23, 2003
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IC Innovations
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Andrew Vernon Olver
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2002827
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Patent number 2,002,827
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Issue date May 28, 1935
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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1350159
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Patent number 1,350,159
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Issue date Aug 17, 1920
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES