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Electrophoretic slip casting
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Patent number 4,121,987
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Issue date Oct 24, 1978
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National Research Development Corporation
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William Ryan
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B28 - WORKING CEMENT, CLAY, OR STONE
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3718564
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Patent number 3,718,564
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Issue date Feb 27, 1973
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B28 - WORKING CEMENT, CLAY, OR STONE
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2431629
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Patent number 2,431,629
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Issue date Nov 25, 1947
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B28 - WORKING CEMENT, CLAY, OR STONE
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1337811
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Patent number 1,337,811
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Issue date Apr 20, 1920
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B28 - WORKING CEMENT, CLAY, OR STONE