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发明名称
GAS-LIFT VALVE
摘要
申请公布号
SU848597(A1)
申请公布日期
1981.07.23
申请号
SU19731976595
申请日期
1973.12.12
申请人
KRASNODARSKIJ GNI PI NEFTYANOJ PROMYSHLENNOSTI
发明人
LUNTS LEV M,SU;BRAGIN YURIJ V,SU;DMITRIEV IGOR A,SU;BEJDIK ANATOLIJ D,SU
分类号
E21B43/00;(IPC1-7):E21B43/00
主分类号
E21B43/00
代理机构
代理人
主权项
地址
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