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Material for making marine structure
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Patent number 5,325,623
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Issue date Jul 5, 1994
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Sumitomo Rubber Industries, Ltd.
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Makoto Sakuraoka
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Golf ball
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Patent number 4,526,375
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Issue date Jul 2, 1985
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Sumitomo Rubber Industries, Ltd.
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Shinichi Nakade
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Thread wound golf ball
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Patent number 4,272,079
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Issue date Jun 9, 1981
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Sumitomo Rubber Industries, Ltd.
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Shinichi Nakade
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...