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Injection molding machine
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Patent number 6,056,535
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Issue date May 2, 2000
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Nissei Plastic Industrial Co., Ltd.
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Junichi Shimizu
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Metal mold for molding runnerless product
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Patent number 5,690,974
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Issue date Nov 25, 1997
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Nissei Plastic Industrial Co., Ltd.
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Kazuki Miyairi
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Injection method
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Patent number 5,069,833
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Issue date Dec 3, 1991
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Yokoi; Hidetoshi
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Hidetoshi Yokoi
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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