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Press for manufacturing helical gears
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Patent number 4,770,572
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Issue date Sep 13, 1988
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Amino Iron Works Co., Ltd.
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Kiyoyasu Ohkawa
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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180 degree inverting machine
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Patent number 4,715,775
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Issue date Dec 29, 1987
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Amino Iron Works Co., Ltd.
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Hiroyuki Amino
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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