Erich Bretschneider

Follow

Person

Meerbusch, DT

People

Patents Grantslast 30 patents

Information Patent Grant
Rolling mill
- Patent number 3,930,395
- Issue date Jan 6, 1976
- Schloemann-Siemag Aktiengesellschaft
- Erich Bretschneider
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...