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发明名称
Submersible exploration barge
摘要
申请公布号
US2430014(A)
申请公布日期
1947.11.04
申请号
US19450615776
申请日期
1945.09.12
申请人
HANSEN HILLMAN A
发明人
HANSEN HILLMAN A.
分类号
B63B35/44;E02B17/02;E21B15/02
主分类号
B63B35/44
代理机构
代理人
主权项
地址
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