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Fired precast block
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Patent number 10,281,212
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Issue date May 7, 2019
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TYK CORPORATION
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Kenji Yanagi
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F27 - FURNACES KILNS OVENS RETORTS
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Ceramic-metal composites
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Patent number 4,639,388
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Issue date Jan 27, 1987
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Chromalloy American Corporation
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John H. Ainsworth
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F27 - FURNACES KILNS OVENS RETORTS
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Lining unit
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Patent number 4,376,808
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Issue date Mar 15, 1983
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Vladimir D. Kudinov
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F27 - FURNACES KILNS OVENS RETORTS
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Basic composite unburned brick
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Patent number 4,130,438
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Issue date Dec 19, 1978
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Kyushu Taikarenga Kabushiki Kaisha
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Akira Watanabe
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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3708562
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Patent number 3,708,562
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Issue date Jan 2, 1973
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C21 - METALLURGY OF IRON
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3237359
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Patent number 3,237,359
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Issue date Mar 1, 1966
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B28 - WORKING CEMENT, CLAY, OR STONE
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3134199
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Patent number 3,134,199
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Issue date May 26, 1964
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F27 - FURNACES KILNS OVENS RETORTS
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3111397
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Patent number 3,111,397
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Issue date Nov 19, 1963
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B28 - WORKING CEMENT, CLAY, OR STONE
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2908157
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Patent number 2,908,157
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Issue date Oct 13, 1959
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F27 - FURNACES KILNS OVENS RETORTS
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2042870
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Patent number 2,042,870
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Issue date Jun 2, 1936
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES