WALKING RUNNING GEAR FOR SCREW-TYPE DRILLING MACHINES

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Bibliographic Details
Main Authors BUDANCHIKOV LEONID A,SU, LAMBROV VLADIMIR V,SU, SHELLER ALEKSANDR G,SU
Format Patent
LanguageEnglish
Published 05.07.1978
Subjects
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
MINING OR QUARRYING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Bibliography:Application Number: SU19762371983