Helmut Hett

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Offenbach (Main), DT

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Patents Grantslast 30 patents

Information Patent Grant
Anti-dusting formulations
- Patent number 4,069,013
- Issue date Jan 17, 1978
- Cassella Farbwerke Mainkur Aktiengesellschaft
- Helmut Hett
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...