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3529921
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Patent number 3,529,921
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Issue date Sep 22, 1970
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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3510488
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Patent number 3,510,488
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Issue date May 5, 1970
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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3481918
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Patent number 3,481,918
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Issue date Dec 2, 1969
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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3374220
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Patent number 3,374,220
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Issue date Mar 19, 1968
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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3185538
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Patent number 3,185,538
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Issue date May 25, 1965
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...