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发明名称
RECIRCULATION VALVE
摘要
申请公布号
SU1160005(A1)
申请公布日期
1985.06.07
申请号
SU19833678966
申请日期
1983.12.26
申请人
UK NII PRIRODNYKH GAZOV
发明人
MISHCHENKO ANATOLIJ YU,SU;TIMASHEV GENNADIJ V,SU;GNITKO VLADIMIR P,SU;BOJKO IVAN N,SU;MIKHNO YURIJ N,SU
分类号
E21B21/10;E21B21/00;E21B34/06;(IPC1-7):E21B21/00
主分类号
E21B21/10
代理机构
代理人
主权项
地址
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