Helmut Weidner

Follow

Person

Dortmund-Korne, DT

People

Patents Grantslast 30 patents

Information Patent Grant
Quench-hardening of pipes
- Patent number 3,958,796
- Issue date May 25, 1976
- Mannesmannrohren-Werke AG
- Helmut Weidner
- C21 - METALLURGY OF IRON