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Packing can
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Patent number 5,100,017
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Issue date Mar 31, 1992
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Toyo Seikan Kaisha Ltd.
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Masao Ishinabe
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Redrawing method and drawn-redrawn can
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Patent number 4,984,708
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Issue date Jan 15, 1991
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Toyo Seikan Kaisha, Ltd.
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Katsuhiro Imazu
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Plastic cap
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Patent number 4,971,213
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Issue date Nov 20, 1990
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Japan Crown Cork Co., Ltd.
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Masao Ishinabe
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Redrawing method
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Patent number 4,962,659
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Issue date Oct 16, 1990
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Toyo Seikan Kaisha, Ltd.
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Katsuhiro Imazu
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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