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发明名称
DISPOSITIF DU GENRE BELIER POUR ENFONCER DES TUBES DANS LE SOL
摘要
申请公布号
FR2550565(B1)
申请公布日期
1987.06.26
申请号
FR19840008196
申请日期
1984.05.23
申请人
SCHMIDT PAUL
发明人
分类号
E02D7/00;E02D7/26;E21B7/04;E21B7/20;E21B10/02;E21B17/18;E21B21/00;(IPC1-7):E02D7/02
主分类号
E02D7/00
代理机构
代理人
主权项
地址
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