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经营范围
发明名称
Improvements in or relating to submarine boats
摘要
申请公布号
GB306458(A)
申请公布日期
1930.05.08
申请号
GB19290005627
申请日期
1929.02.20
申请人
ELECTRIC BOAT COMPANY
发明人
分类号
B63G8/22
主分类号
B63G8/22
代理机构
代理人
主权项
地址
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