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发明名称
Submarine signal device
摘要
申请公布号
US2405210(A)
申请公布日期
1946.08.06
申请号
US19420449584
申请日期
1942.07.03
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
INGLIS ALFRED H.
分类号
G10K11/00
主分类号
G10K11/00
代理机构
代理人
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