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Metal mold for molding runnerless product
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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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Apparatus for forming synthetic resins
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Patent number 5,551,858
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Issue date Sep 3, 1996
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Niigata Engineering Company, Ltd.
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Yukio Yoshizawa
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Resin molding method and apparatus
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Patent number 5,460,508
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Issue date Oct 24, 1995
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Sankyo Kasei Kabushiki Kaisha
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Masakazu Ohno
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3824298
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Issue date Jul 16, 1974
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3712777
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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2698464
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Issue date Jan 4, 1955
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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2698460
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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2613395
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Issue date Oct 14, 1952
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL