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Bibliographic Details
Main Author MOLCHANOV G.V
Format Patent
LanguageRussian
Published 30.11.1956
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: SU19560551817