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Exhaust valve for a bag
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Patent number 7,232,108
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Issue date Jun 19, 2007
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Taiyo Kagaku Kabushiki Kaisha
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Hiroshi Motonaka
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Small-sized hydroelectric generator
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Patent number 7,074,008
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Issue date Jul 11, 2006
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Taiyo Kagaku Kabushiki Kaisha
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Hiroshi Motonaka
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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Exhaust valve for a bag
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Patent number 6,712,334
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Issue date Mar 30, 2004
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Taiyo Kagaku Kabushiki Kaisha
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Hiroshi Motonaka
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL