Rudolf Zauns

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Duesseldorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Chrome tanning of leather with reduced waste of chromium
- Patent number 4,938,779
- Issue date Jul 3, 1990
- Henkel Kommanditgesellschaft auf Aktien
- Hans-Herbert Friese
- C14 - SKINS HIDES PELTS LEATHER