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发明名称
EXCAVATION SYSTEM EMPLOYING A JET PUMP AND EXCAVATION METHOD.
摘要
申请公布号
EP1546472(B1)
申请公布日期
2007.10.03
申请号
EP20030765678
申请日期
2003.07.18
申请人
WALKER-DAWSON INTERESTS, INC.
发明人
HUTCHINSON, ROBERT, J.;DAWSON, RICHARD, F.
分类号
E02F3/92;E02F3/40;E02F3/88
主分类号
E02F3/92
代理机构
代理人
主权项
地址
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