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YKK Corporation
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Yoshimichi Maeda
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Process for the manufacture of zip fasteners
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Saurer First Tech-Products Ltd.
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Friedrich Mayerhofer
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Slide fastener stringer
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Issue date Aug 24, 1976
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Textron, Inc.
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George B. Moertel
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL