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发明名称
Zweiwege-UEbertragungssystem mit Rueckkoppelungssperrung
摘要
申请公布号
DE534224(C)
申请公布日期
1931.09.24
申请号
DED534224D
申请日期
1930.06.08
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
THIERBACH DIPL.-ING. DIETWALT
分类号
H04B3/21
主分类号
H04B3/21
代理机构
代理人
主权项
地址
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