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发明名称
PROCEDIMENTO E DISPOSITIVO PER LO SCAVO DI UN FOSSO SUBACQUEO E SUCCESSIVO INTERRAMENTO DI UN OLEODOTTO CAVO TELEFONICO O SIMILE
摘要
申请公布号
IT7968004(D0)
申请公布日期
1979.05.11
申请号
IT19790068004
申请日期
1979.05.11
申请人
BROWN AND ROOT INC.
发明人
分类号
E02F5/10;(IPC1-7):E02F/
主分类号
E02F5/10
代理机构
代理人
主权项
地址
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