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发明名称
Emergency radio transmitter
摘要
申请公布号
US2907875(A)
申请公布日期
1959.10.06
申请号
US19570686513
申请日期
1957.09.26
申请人
SEYFANG FRANK G
发明人
SEYFANG FRANK G.
分类号
B63B22/00;H01Q1/12;H04B1/034
主分类号
B63B22/00
代理机构
代理人
主权项
地址
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