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发明名称
Mehrfachuebertragungssystem, bei dem die einzelnen Nachrichtenkanaele zu Vorgruppen zusammengefasst sind
摘要
申请公布号
DE858267(C)
申请公布日期
1952.12.04
申请号
DE1942S011246D
申请日期
1942.12.20
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
ZIMMERMANN GERHARD OTTO DR.-ING.;FREYSTEDT ERICH DIPL.-ING.
分类号
H04J1/04
主分类号
H04J1/04
代理机构
代理人
主权项
地址
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