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发明名称
Signal-translating system
摘要
申请公布号
US2188658(A)
申请公布日期
1940.01.30
申请号
US19380202442
申请日期
1938.04.16
申请人
HAZELTINE CORPORATION
发明人
HERSHEY LLOYD M.
分类号
H03G3/26
主分类号
H03G3/26
代理机构
代理人
主权项
地址
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