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发明名称
Boat detaching apparatus
摘要
申请公布号
US2120923(A)
申请公布日期
1938.06.14
申请号
US19370140969
申请日期
1937.05.05
申请人
ROTTMER HENRY E
发明人
ROTTMER HENRY E.
分类号
B63B23/58
主分类号
B63B23/58
代理机构
代理人
主权项
地址
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