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Process and apparatus for vacuum forming
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Patent number 5,128,090
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Issue date Jul 7, 1992
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Toyoda Gosei Co., Ltd.
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Tetsuya Fujii
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Resin molding apparatus
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Patent number 4,678,421
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Issue date Jul 7, 1987
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Toyoda Gosei Co., Ltd.
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Toru Kai
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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