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Method and apparatus for surface treatment
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Patent number 5,316,739
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Issue date May 31, 1994
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Bridgestone Corporation
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Masato Yoshikawa
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Method for producing golf balls
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Patent number 5,286,532
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Issue date Feb 15, 1994
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Bridgestone Corporation
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Masato Yoshikawa
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Surface treatment method
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Patent number 5,041,304
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Issue date Aug 20, 1991
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Bridgestone Corporation
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Yukihiro Kusano
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL