Helmut Thumm

Follow

Person

D 7418 Metzingen, DT

People

Patents Grantslast 30 patents

Information Patent Grant
Thread cutting apparatus and method of operating same
- Patent number 4,036,086
- Issue date Jul 19, 1977
- Helmut Thumm
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR