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发明名称
Lifesaving device
摘要
申请公布号
US2206160(A)
申请公布日期
1940.07.02
申请号
US19390269522
申请日期
1939.04.22
申请人
CARROLL SIMON G
发明人
CARROLL SIMON G.
分类号
B63C9/26
主分类号
B63C9/26
代理机构
代理人
主权项
地址
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