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经营范围
发明名称
EXTERNAL RELEASE PIPE CATCHER
摘要
申请公布号
SU1032167(A1)
申请公布日期
1983.07.30
申请号
SU19792796879
申请日期
1979.07.13
申请人
VNII RAZRABOTKI EKSPLUATATSII NEFTEPROMYSLOVYKH TRUB;KALUSHSKIJ ZAVOD "NEFTEBURMASHREMONT"
发明人
CHEPOVETSKIJ ALEKSANDR V,SU;DOMALCHUK ANATOLIJ A,SU;LEBEDEV EVGENIJ S,SU;GRIGOREV BORIS A,SU
分类号
E21B31/18;(IPC1-7):E21B31/18
主分类号
E21B31/18
代理机构
代理人
主权项
地址
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