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Process for preparation of gypsum shapes
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Patent number 4,540,439
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Issue date Sep 10, 1985
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Chemische Werke Huls Aktiengesellschaft
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Hans-Friedrich Kurandt
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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3782986
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Patent number 3,782,986
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Issue date Jan 1, 1974
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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3181985
-
Patent number 3,181,985
-
Issue date May 4, 1965
-
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
-
1937292
-
Patent number 1,937,292
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Issue date Nov 28, 1933
-
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES