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发明名称
Dry dock pontoon construction
摘要
申请公布号
US2412578(A)
申请公布日期
1946.12.17
申请号
US19430497784
申请日期
1943.08.07
申请人
HARRIS FREDERICK R
发明人
HARRIS FREDERICK R.
分类号
B63B9/00
主分类号
B63B9/00
代理机构
代理人
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地址
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