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发明名称
Underwater excavating device
摘要
申请公布号
US3253357(A)
申请公布日期
1966.05.31
申请号
US19630283204
申请日期
1963.05.27
申请人
THEODORE ALLARD PIERRE JEAN-MA
发明人
ALLARD PIERRE JEAN-MARIE THEODORE
分类号
E02F3/92
主分类号
E02F3/92
代理机构
代理人
主权项
地址
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