STARTING DEVICE FOR DRILLS WITH AUGER WORKING MEMBER

Bibliographische Detailangaben

Hauptverfasser:	YASHIN ANATOLIJ N,SU, BREZHITSKIJ VLADIMIR P,SU, DULTSEV IVAN M,SU, SHAMSHIN VLADIMIR N,SU, CHUKHRYAEV NIKOLAJ P,SU
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SHAFTS TUNNELS
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