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发明名称
TRIVELLATRICE MOBILE
摘要
申请公布号
IT1255809(B)
申请公布日期
1995.11.16
申请号
IT1992MI01958
申请日期
1992.08.07
申请人
发明人
分类号
E21B3/04;E21B7/02;E21B15/00;E21B19/083;E21B19/084;(IPC1-7):E21B
主分类号
E21B3/04
代理机构
代理人
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