Alain Vautrain

Follow

Person

Esquelbecq, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Removable tunnel for maintaining the temperature of a product hot r...
- Patent number 4,803,864
- Issue date Feb 14, 1989
- Usinor Aciers
- Jean M. Brysbaert
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...