Attila Szathmari

Follow

Person

Debrecen, HU

People

Patents Grantslast 30 patents

Information Patent Grant
Equipment for continuous heat treatment of tungsten filaments wound...
- Patent number 4,923,529
- Issue date May 8, 1990
- Tungsram Reszvenytarsasag
- Tibor Ferenczi
- C21 - METALLURGY OF IRON