Stefan Koehler

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Roetsweiler-Nockenthal, DE

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Patents Grantslast 30 patents

Information Patent Grant
Application of a processing pin to a gemstone which is to be cut or...
- Patent number 8,815,039
- Issue date Aug 26, 2014
- Paul Wild OHG
- Markus Paul Wild
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
APPLICATION OF A PROCESSING PIN TO A GEMSTONE WHICH IS TO BE CUT OR...
- Publication number 20110048626
- Publication date Mar 3, 2011
- Paul Wild OHG
- Markus Paul Wild
- B24 - GRINDING POLISHING