Hanswilli von Brachel

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Patents Grantslast 30 patents

Information Patent Grant
Water-insoluble monoazo pyridine dyes
- Patent number 3,957,749
- Issue date May 18, 1976
- Cassella Farbwerke Mainkur Aktiengesellschaft
- Hanswilli von Brachel
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...