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Gypsum boards
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Patent number 10,421,689
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Issue date Sep 24, 2019
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Etex Building Performance International SAS
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Roger Arese
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Process for disposal of arsenic salts
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Patent number 4,118,243
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Issue date Oct 3, 1978
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Waste Management of Illinois, Inc.
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Mahendra D. Sandesara
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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3198758
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Patent number 3,198,758
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Issue date Aug 3, 1965
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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2316039
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Patent number 2,316,039
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Issue date Apr 6, 1943
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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2165344
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Patent number 2,165,344
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Issue date Jul 11, 1939
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES