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经营范围
发明名称
Dry mine laying submarine
摘要
申请公布号
US1819022(A)
申请公布日期
1931.08.18
申请号
US19290333610
申请日期
1929.01.19
申请人
ELECTRIC BOAT COMPANY
发明人
GRIESHABER HUGO E.
分类号
B63G8/33
主分类号
B63G8/33
代理机构
代理人
主权项
地址
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