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Precast concrete plates
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Patent number 6,379,601
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Issue date Apr 30, 2002
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Rohm and Haas Company
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Michael Damian Bowe
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Precast concrete plates
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Patent number 6,311,448
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Issue date Nov 6, 2001
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Rohm and Haas Company
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Michael Damian Bowe
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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1455657
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Patent number 1,455,657
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Issue date May 15, 1923
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E04 - BUILDING
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1399023
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Patent number 1,399,023
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Issue date Dec 6, 1921
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E04 - BUILDING