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Slip casting method
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Patent number 4,871,497
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Issue date Oct 3, 1989
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Hitachi, Ltd.
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Tatsuo Natori
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B28 - WORKING CEMENT, CLAY, OR STONE
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Process for preparing mold
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Patent number 4,812,278
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Issue date Mar 14, 1989
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Hitachi, Ltd.
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Tatsuo Natori
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B22 - CASTING POWDER METALLURGY
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Slip casting mold
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Patent number 4,604,141
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Issue date Aug 5, 1986
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Hitachi, Ltd.
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Tatsuo Natori
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B28 - WORKING CEMENT, CLAY, OR STONE
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