Lessons in rotary drilling. unit I lesson 7. power and power transmission.
Lessons in rotary drilling. unit I lesson 7. power and power transmission.
Texas : Petroleum Extension Service,. 1976.
English
Text
vi, 58 hlm., ilus., 28 cm.
Perpustakaan PEM Akamigas DIGITAL LIBRARY PEM AKAMIGAS (Call Number: 622.24 Pet I-I-7.)