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发明名称
Apparatus for submarine signaling
摘要
申请公布号
US2407697(A)
申请公布日期
1946.09.17
申请号
US19350040587
申请日期
1935.09.14
申请人
SUBMARINE SIGNAL COMPANY
发明人
WILLIAMS ROBERT LONGFELLOW
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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