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发明名称
Systèmes de télégraphie multiplex à division du temps
摘要
申请公布号
FR769374(A)
申请公布日期
1934.08.24
申请号
FRD769374
申请日期
1934.02.27
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
H04L5/22
主分类号
H04L5/22
代理机构
代理人
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