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Wafer and production thereof
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Patent number 6,821,617
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Issue date Nov 23, 2004
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Bridgestone Corporation
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Fumio Odaka
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H01 - BASIC ELECTRIC ELEMENTS
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Waterproof nut
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Patent number 4,887,950
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Issue date Dec 19, 1989
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Bridgestone Corporation
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Kiyoshi Sakayori
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Method of manufacturing waterproof nuts
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Patent number 4,788,022
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Issue date Nov 29, 1988
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Bridgestone Corp.
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Kiyoshi Sakayori
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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