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发明名称
Improvements in floating dry docks
摘要
申请公布号
GB547781(A)
申请公布日期
1942.09.10
申请号
GB19410009785
申请日期
1941.08.01
申请人
FREDERIC ROBERT HARRIS
发明人
分类号
B63C1/04
主分类号
B63C1/04
代理机构
代理人
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