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Continuous mixing plant
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Patent number 6,352,360
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Issue date Mar 5, 2002
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Japan Institute of Construction Engineering
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Kazuie Yamada
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B28 - WORKING CEMENT, CLAY, OR STONE
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Apparatus for mixing
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Patent number 5,538,341
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Issue date Jul 23, 1996
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Halliburton Company
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Paul O. Padgett
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B28 - WORKING CEMENT, CLAY, OR STONE
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3532328
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Patent number 3,532,328
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Issue date Oct 6, 1970
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B28 - WORKING CEMENT, CLAY, OR STONE
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3369798
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Patent number 3,369,798
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Issue date Feb 20, 1968
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B28 - WORKING CEMENT, CLAY, OR STONE
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3348818
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Patent number 3,348,818
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Issue date Oct 24, 1967
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B28 - WORKING CEMENT, CLAY, OR STONE
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3108448
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Patent number 3,108,448
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Issue date Oct 29, 1963
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B28 - WORKING CEMENT, CLAY, OR STONE
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2583135
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Patent number 2,583,135
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Issue date Jan 22, 1952
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B28 - WORKING CEMENT, CLAY, OR STONE
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2530501
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Patent number 2,530,501
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Issue date Nov 21, 1950
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B28 - WORKING CEMENT, CLAY, OR STONE
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2356096
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Patent number 2,356,096
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Issue date Aug 15, 1944
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B28 - WORKING CEMENT, CLAY, OR STONE
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1947345
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Patent number 1,947,345
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Issue date Feb 13, 1934
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B28 - WORKING CEMENT, CLAY, OR STONE
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1405707
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Patent number 1,405,707
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Issue date Feb 7, 1922
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B28 - WORKING CEMENT, CLAY, OR STONE
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1367719
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Patent number 1,367,719
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Issue date Feb 8, 1921
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B28 - WORKING CEMENT, CLAY, OR STONE
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1224656
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Patent number 1,224,656
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Issue date May 1, 1917
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B28 - WORKING CEMENT, CLAY, OR STONE
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1107237
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Patent number 1,107,237
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Issue date Aug 11, 1914
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B28 - WORKING CEMENT, CLAY, OR STONE
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1072143
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Patent number 1,072,143
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Issue date Sep 2, 1913
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B28 - WORKING CEMENT, CLAY, OR STONE
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1047680
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Patent number 1,047,680
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Issue date Dec 17, 1912
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B28 - WORKING CEMENT, CLAY, OR STONE
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1029126
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Patent number 1,029,126
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Issue date Jun 11, 1912
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B28 - WORKING CEMENT, CLAY, OR STONE
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694575
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Patent number 694,575
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Issue date Mar 4, 1902
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B28 - WORKING CEMENT, CLAY, OR STONE