DEVICE FOR DIRECTIONAL DRILLING OF CONTOURING BLAST-HOLES

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Bibliographic Details
Main Authors PUDAK VITALIJ I,SU, BARSUK ANATOLIJ K,SU, BABICHEV VALERIJ A,SU, GUDZ ALEKSANDR G,SU, RYBALKO VASILIJ I,SU
Format Patent
LanguageEnglish
Published 28.02.1982
Subjects
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Bibliography:Application Number: SU19802951688