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发明名称
TUBING COUPLING
摘要
申请公布号
RU2070679(C1)
申请公布日期
1996.12.20
申请号
SU19894831518
申请日期
1989.05.02
申请人
PRODAKSHN TEKNOLODZHIZ INTERNESHNL, INK.
发明人
BERNARD DZH.ISTLAND;KENNET DZH.SHMITT;DUGLAS S.ANDERSON
分类号
F16L11/127;E21B17/00;E21B36/00;E21B36/04;F16L9/147;F16L17/00;F16L25/02;(IPC1-7):F16L17/00
主分类号
F16L11/127
代理机构
代理人
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地址
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