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发明名称
METHOD AND TOOL FOR SEABED EXCAVATION
摘要
申请公布号
CA2049484(A1)
申请公布日期
1992.02.21
申请号
CA19912049484
申请日期
1991.08.19
申请人
BRITISH GAS PLC
发明人
ROBERTSON, GORDON B.;HALSEY, ANDREW N.
分类号
E02F3/92;E02F5/00
主分类号
E02F3/92
代理机构
代理人
主权项
地址
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