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发明名称
Floating dry dock
摘要
申请公布号
US2379685(A)
申请公布日期
1945.07.03
申请号
US19430511713
申请日期
1943.11.25
申请人
CRANDALL DRY DOCK ENGINEERS INC.
发明人
CRANDALL JAMES STUART
分类号
B63B9/00
主分类号
B63B9/00
代理机构
代理人
主权项
地址
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