Secoroc Rock Drilling Tools Down-the-hole drill strings Secoroc high quality DTH drill string equipment for Atlas Copco mid range blasthole drill rigs: T4 BH DM30/DM45/DML…
LA-1 1647-MS UC-251 Issued: August 1989 r tA--116 47-MS . . " DE89 015208 Repair, Sidetrack, Drilling, and Completion of EE-2Afor Phase II Reservoir Production Service…
Secoroc Rock Drilling Tools Down-the-hole drill strings Secoroc high quality DTH drill string equipment for Atlas Copco surface crawlers and underground blasthole drill rigs:…