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Erwin Fleckenstein
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Hofheim, DE
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Water-insoluble monoazo-dyestuffs for synthetic fibrous materials
Patent number
4,160,764
Issue date
Jul 10, 1979
Hoechst Aktiengesellschaft
Peter Mischke
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...