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发明名称
Improvements in and relating to ships and other screw-propelled vessels
摘要
申请公布号
GB383575(A)
申请公布日期
1932.11.17
申请号
GB19320016926
申请日期
1932.06.15
申请人
WILLIAM JAMES HEPPELL
发明人
分类号
B63B1/08
主分类号
B63B1/08
代理机构
代理人
主权项
地址
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