Richard Ewald

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Weinheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Self-adhesive tape
- Patent number 4,272,573
- Issue date Jun 9, 1981
- Braas & Co. GmbH
- Richard Ewald
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...