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Liquid pump and sealing mechanism
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Patent number 6,887,048
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Issue date May 3, 2005
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World Chemical Co, Ltd.
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Ryosuke Hirata
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Pump
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Patent number D450327
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Issue date Nov 13, 2001
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World Chemical Co., Ltd.
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Yoji Mori
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D15 - Machines not elsewhere specified
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Ocean buoy
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Patent number D383992
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Issue date Sep 23, 1997
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World Chemical Co., Ltd.
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Yoji Mori
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D10 - Measuring, testing, or signalling instruments
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Self-priming chemical pump
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Patent number 5,509,779
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Issue date Apr 23, 1996
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World Chemical Co., Ltd.
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Yoji Mori
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Liquid recovering apparatus
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Patent number 5,366,629
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Issue date Nov 22, 1994
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Motoda Electronic Industry Co., Ltd.
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Yozi Mori
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Magnet pump
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Patent number 5,154,587
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Issue date Oct 13, 1992
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World Chemical Co., Ltd.
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Yozi Mori
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Seal-less pump
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Patent number 4,655,681
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Issue date Apr 7, 1987
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World Chemical Co., Ltd.
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Youji Mori
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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73432258 - WORLD CHEMICAL
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Serial number 73432258
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Filing date May 31, 1983
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WORLD CHEMICAL CO., LTD.
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7 - Machines and machine tools