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经营范围
发明名称
TUBULAR CAP FOR SEALING HEAD OF SUBMERSIBLE PUMP BOREHOLES
摘要
申请公布号
SU595485(A1)
申请公布日期
1978.02.28
申请号
SU19752302849
申请日期
1975.12.25
申请人
TATARSKIJ NI PK I NEFTYANOGO MASHINOSTROENIYA
发明人
ZABELIN NIKOLAJ V,SU;BARANOV YURIJ ,SU;NIKOLAEV YURIJ V,SU
分类号
E21B33/03;(IPC1-7):E21B33/03
主分类号
E21B33/03
代理机构
代理人
主权项
地址
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