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发明名称
ATTREZZATURA PER LO SCAVO DI GALLERIE.
摘要
申请公布号
IT1256533(B)
申请公布日期
1995.12.07
申请号
IT1992TO00171
申请日期
1992.02.28
申请人
TREVI S.P.A.
发明人
TREVISANI DAVIDE
分类号
E21D9/04;E21C25/30;E21D9/10;E21D11/08;E21D11/10;(IPC1-7):E01G
主分类号
E21D9/04
代理机构
代理人
主权项
地址
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