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发明名称
nydraulic drilling machine of telescopic tower type
摘要
申请公布号
EP0548900(B1)
申请公布日期
1997.05.28
申请号
EP19920121752
申请日期
1992.12.21
申请人
SOILMEC S.P.A.
发明人
TREVISANI, DAVIDE
分类号
E21B19/14;E21B15/00;E21B19/084;E21B19/15;(IPC1-7):E21B15/00;E21B7/02
主分类号
E21B19/14
代理机构
代理人
主权项
地址
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