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Plaster consistency reducer
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Patent number 4,237,260
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Issue date Dec 2, 1980
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United States Gypsum Company
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Robert G. Lange
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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3904687
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Patent number 3,904,687
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Issue date Sep 9, 1975
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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3635897
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Patent number 3,635,897
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Issue date Jan 18, 1972
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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3453220
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Patent number 3,453,220
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Issue date Jul 1, 1969
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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3433661
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Patent number 3,433,661
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Issue date Mar 18, 1969
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...