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Iron complex azo dyestuffs
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Issue date Mar 17, 1981
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Bayer Aktiengesellschaft
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Hermann Goebel
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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3591576
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Patent number 3,591,576
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Issue date Jul 6, 1971
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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3523934
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Patent number 3,523,934
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Issue date Aug 11, 1970
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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3520870
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Patent number 3,520,870
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Issue date Jul 21, 1970
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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3238189
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Patent number 3,238,189
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Issue date Mar 1, 1966
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...