Mauri V. Rantanen

Follow

Person

Espoo, FI

People

Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing tubes
- Patent number 4,876,870
- Issue date Oct 31, 1989
- Outokumpu Oy
- Mauri V. Rantanen
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...