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发明名称
Underwater excavation apparatus
摘要
申请公布号
GB9516738(D0)
申请公布日期
1995.10.18
申请号
GB19950016738
申请日期
1995.08.16
申请人
STROUD, GEORGE J
发明人
分类号
E02F3/88;E02F3/92;E02F5/28;E21B4/02;E21B7/18;E21B21/00
主分类号
E02F3/88
代理机构
代理人
主权项
地址
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