Enhancement of durability of drill bit supports
Yu. N. Tsvetkov, V. V. Evdokimov, Yu. N. Zhirkin, V. N. VinogradovVolume:
28
Language:
english
Pages:
2
DOI:
10.1007/bf01369961
Date:
July, 1992
File:
PDF, 175 KB
english, 1992