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Sound absorbing structure
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Patent number 6,720,069
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Issue date Apr 13, 2004
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Nichias Corporation
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Atsushi Murakami
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Sound absorbing structure
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Patent number 6,601,673
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Issue date Aug 5, 2003
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Nichias Corporation
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Atsushi Murakami
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Vulcanized rubber composition
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Patent number 5,912,288
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Issue date Jun 15, 1999
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Nichias Corporation
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Kazuo Nishimoto
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...