Erwin Jericho

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Sulzbach-Rosenberg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Pierced metal tube blanks and methods of making such blanks
- Patent number 4,262,516
- Issue date Apr 21, 1981
- Eisenwerk-Gesellschaft Maximilianshutte
- Frank Weber
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...