Oswald Martens

Follow

Person

Paderborn, DT

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for welding rolled seams
- Patent number 3,996,444
- Issue date Dec 7, 1976
- Benteler -Werke Aktiengesellschaft Werk Neuhaus
- Helmut Benteler
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR