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Pneumatic tire
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Patent number 4,518,023
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Issue date May 21, 1985
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Bridgestone Tire Company Limited
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Yutaka Yamaguchi
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B60 - VEHICLES IN GENERAL
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Pneumatic radial tires
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Patent number 4,436,131
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Issue date Mar 13, 1984
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Bridgestone Tire Co., Ltd.
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Yutaka Yamaguchi
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B60 - VEHICLES IN GENERAL
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Pneumatic radial tire
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Patent number 4,387,759
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Issue date Jun 14, 1983
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Bridgestone Tire Company Limited
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Kazuo Obata
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B60 - VEHICLES IN GENERAL