- Présentations
- Documents
- Infographies
DESIGN OF SUPPORT SYSTEM IN BORD AND PILLAR MINE
Anurag Jha
•
il y a 7 ans
Differnt technologies in oc mines
SATYANARAYANA I
•
il y a 12 ans
UG Explosives and Blasting
Krishna Deo Prasad
•
il y a 7 ans
Target committee review meeting
mallareddy1975
•
il y a 8 ans