Lessons in rotary drilling. unit I lesson 6. the hoist.
Lessons in rotary drilling. unit I lesson 6. the hoist.
Texas : Petroleum Extension Service,. 1966.
English
Text
vi, 37 hlm., ilus., 28 cm.
Perpustakaan PEM Akamigas DIGITAL LIBRARY PEM AKAMIGAS (Call Number: 622.24 Pet I-I-6.)