(NwYSOKOPRO^NYE BURILXNYE TRUBY DLQ PROGRESSIWNYH SPOSOBOW BURENIQ (B:s (NsB(B. (NNAU^(B. (NTR(B. /s - (NqGODIN(B, (Na(B.(Nn(B.s; (NwSESO@ZNYJ NAU^NO(B-(NISSLEDOWATELXSKIJ INSTITUT METODIKI I TEHNIKI RAZWEDKI (B((Nwitr(B)s ((NlENINGRAD (B:s (Nwitr(B,s, 1988)
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Keywords: (NbURILXNYE TRUBY (B- (NsBORNIKIs; (NbURENIE RAZWEDO^NOE (B- (NsBORNIKIs