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发明名称
PROCEDE ET DISPOSITIF POUR FORER UN TROU DE RACCORDEMENT COURBE ENTRE DEUX FORAGES RECTILIGNES
摘要
申请公布号
FR2567780(B1)
申请公布日期
1987.06.26
申请号
FR19840011582
申请日期
1984.07.20
申请人
FERRETTI SERGE
发明人
分类号
B23B5/36;(IPC1-7):B23B49/02
主分类号
B23B5/36
代理机构
代理人
主权项
地址
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