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发明名称
SUCTION-TYPE DEEP-WELL SAMPLER
摘要
申请公布号
SU840327(A1)
申请公布日期
1981.06.23
申请号
SU19792776996
申请日期
1979.06.07
申请人
N-PROIZV OB PO TERMICHESKIM METODAM DOBYCHI NEFTI NPO "SOYUZTERMNEFT"
发明人
VASILEV MIKHAIL M,SU;DAVID-OGLY EDUARD M,SU;KHAZNAFEROV ANATOLIJ I,SU
分类号
E21B49/02;(IPC1-7):E21B49/02
主分类号
E21B49/02
代理机构
代理人
主权项
地址
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