An efficient method for local protection of drill bit legs...

Chemical and Petroleum Engineering 1966 / 03 Vol. 2; Iss. 3

An efficient method for local protection of drill bit legs from gas carburization

K. T. Aliev, R. A. Akopov
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Volume:
2
Language:
english
Pages:
4
DOI:
10.1007/bf01146507
Date:
March, 1966
File:
PDF, 359 KB
english, 1966
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