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Variable displacement hydraulic system
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Patent number 5,709,141
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Issue date Jan 20, 1998
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Kanzaki Kokyukoki Mfg. Co., Ltd.
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Ryota Ohashi
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Hydraulic transmission device
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Patent number 4,771,676
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Issue date Sep 20, 1988
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Toshiba Kikai Kabushiki Kaisha
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Satoshi Matsumoto
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Swash-plate type compressor
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Patent number 4,568,252
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Issue date Feb 4, 1986
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Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
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Mitsuhiro Hattori
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3920098
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Patent number 3,920,098
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Issue date Nov 18, 1975
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3866518
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Patent number 3,866,518
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Issue date Feb 18, 1975
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3779672
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Patent number 3,779,672
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Issue date Dec 18, 1973
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...