Gyorgy Stuber

Follow

Person

Tatabanya, HU

People

Patents Grantslast 30 patents

Information Patent Grant
Method of mining heavy coal seams in two or more benches
- Patent number 4,340,254
- Issue date Jul 20, 1982
- Tatabanyai Szenbanyak
- Karoly Barsi
- E21 - EARTH DRILLING MINING