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Apparatus for use in molding
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Patent number 5,139,409
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Issue date Aug 18, 1992
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Dryflow Limited
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Christopher G. Bevan
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B28 - WORKING CEMENT, CLAY, OR STONE
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Hydration means
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Patent number 4,818,202
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Issue date Apr 4, 1989
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C. G. Bevan Associates Limited
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Christopher G. Bevan
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B28 - WORKING CEMENT, CLAY, OR STONE
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Moulding of construction products
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Patent number 4,524,039
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Issue date Jun 18, 1985
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C. G. Bevan Associates Limited
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Christopher G. Bevan
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B28 - WORKING CEMENT, CLAY, OR STONE
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Moulding of articles
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Patent number 4,522,772
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Issue date Jun 11, 1985
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C. G. Bevan Associates Limited
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Christopher G. Bevan
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B28 - WORKING CEMENT, CLAY, OR STONE