Serge Grasnianski

Follow

Person

Grenoble, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Flat key
- Patent number 3,950,973
- Issue date Apr 20, 1976
- Kis France
- Serge Grasnianski
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...