DAS, SAMIR KUMAR
EXPLOSIVES AND BLASTING PRACTICES IN MINES - 2ND - LOVELY PRAKASHAN, DHANBAD 2014 - 367
Mining & Geology
/ DAS
EXPLOSIVES AND BLASTING PRACTICES IN MINES - 2ND - LOVELY PRAKASHAN, DHANBAD 2014 - 367
Mining & Geology
/ DAS