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Five-layered container
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Patent number 5,068,136
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Issue date Nov 26, 1991
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Mitsubishi Gas Chemical Company, Inc.
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Yozo Yoshida
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Multilayered container
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Patent number 4,816,308
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Issue date Mar 28, 1989
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Mitsubishi Gas Chemical Company, Inc.
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Senzo Shimizu
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Multilayered container
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Patent number 4,728,549
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Issue date Mar 1, 1988
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Mitsubishi Gas Chemical Company, Inc.
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Senzo Shimizu
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL