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发明名称
Multiplex radiocommunication
摘要
申请公布号
US1957537(A)
申请公布日期
1934.05.08
申请号
US19310576005
申请日期
1931.11.19
申请人
RADIO CORPORATION
发明人
JENKINS CHARLES FRANCIS
分类号
H04J7/02
主分类号
H04J7/02
代理机构
代理人
主权项
地址
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