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发明名称
DISPOSITIF DE DEVIATION D'OUTILS RELIANT UNE CONDUITE D'ECOULEMENT PRINCIPALE A UNE CONDUITE D'EMBRANCHEMENT
摘要
申请公布号
FR2432459(B1)
申请公布日期
1987.04.03
申请号
FR19790012248
申请日期
1979.05.14
申请人
OTIS ENGINEERING CORP
发明人
分类号
E21B23/12;(IPC1-7):B65G51/00
主分类号
E21B23/12
代理机构
代理人
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地址
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