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发明名称
Apparatus for receiving submarine signals
摘要
申请公布号
US1797351(A)
申请公布日期
1931.03.24
申请号
US19300430931
申请日期
1930.02.24
申请人
SUBMARINE SIGNAL COMPANY
发明人
KUNZE WILLY
分类号
G10K11/35
主分类号
G10K11/35
代理机构
代理人
主权项
地址
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