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Extruder
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Patent number 11,104,053
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Issue date Aug 31, 2021
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Sumitomo Rubber Industries, Ltd.
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Masayuki Sakamoto
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Method for producing rubber member
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Patent number 11,097,447
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Issue date Aug 24, 2021
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Sumitomo Rubber Industries, Ltd.
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Tomoo Tanaka
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL