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发明名称
HEAT-RESISTANT PACKER
摘要
申请公布号
SU1548405(A1)
申请公布日期
1990.03.07
申请号
SU19874215239
申请日期
1987.03.23
申请人
N-PROIZV OB PO TERMICHESKIM METODAM DOBYCHI NEFTI "SOYUZTERMNEFT"
发明人
YANENKO YURIJ A,SU;KIPNIS SERGEJ G,SU;VLASYUK APOLLINARIJ E,SU;MASHKOV VIKTOR A,SU;GAJNULLIN MARAT N,SU
分类号
E21B33/12
主分类号
E21B33/12
代理机构
代理人
主权项
地址
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