Institut Gornogo Dela Akademii Nauk Kazakhskoi SSR

Follow

Organization

SU

Organizations

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Pneumatic rock drill
- Patent number 4,182,421
- Issue date Jan 8, 1980
- Institut Gornogo Dela Akademii Nauk Kazakhskoi SSR
- Anatoly I. Zubarev
- E21 - EARTH DRILLING MINING