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Extrusion molding apparatus
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Patent number 6,790,025
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Issue date Sep 14, 2004
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Denso Corporation
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Satoru Yamaguchi
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B28 - WORKING CEMENT, CLAY, OR STONE
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Ceramic filters
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Patent number 4,643,749
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Issue date Feb 17, 1987
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Nippondenso Co., Ltd.
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Yasunao Miura
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Porous ceramic structure
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Patent number 4,604,869
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Issue date Aug 12, 1986
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Nippondenso Co., Ltd.
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Hitoshi Yoshida
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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