GEAR FOR GAS-LIFTING OPERATION OF OIL WELLS
EFENDIEV OKTAJ I,SU, RZAEV ALI I,SU, SHAJKHULOV DZHAVDAT S,SU, STOLNOV YURIJ V,SU, GADASHOV MAMED E,SU
Year of Publication 23.03.1993
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Year of Publication 23.03.1993
Patent