Walter Knoor

Follow

Person

Bochum, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Abrasion resistant rails and/or rail wheels, and process for produc...
- Patent number 4,230,488
- Issue date Oct 28, 1980
- Fried. Krupp Huttenwerke AG
- Wilhelm Heller
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...