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Joining apparatus of thermoplastic pipes
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Patent number 6,357,506
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Issue date Mar 19, 2002
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Nippon Nokan Koji Kabushiki Kaisha
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Hirokazu Nomura
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Jointing apparatus of thermo plastic pipes
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Patent number 6,029,727
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Issue date Feb 29, 2000
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Nippon Kokan Koji Kabushiki Kaisha
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Hirokazu Nomura
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Method for the preparation of a laminate
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Patent number 4,637,851
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Issue date Jan 20, 1987
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Shin-Etsu Chemical Co., Ltd.
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Susumu Ueno
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Shaped body for gas separation
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Patent number 4,607,088
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Issue date Aug 19, 1986
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Shin-Etso Chemical Co., Ltd.
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Hirokazu Nomura
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Continuous vacuum treating apparatus
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Patent number 4,551,310
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Issue date Nov 5, 1985
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Hitachi, Ltd.
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Kiyoshi Imada
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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