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发明名称
Mehrfachtraegerfrequenz-Nachrichtenuebertragungssystem
摘要
申请公布号
DE923202(C)
申请公布日期
1955.02.07
申请号
DE1950S001451
申请日期
1950.01.28
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
GRAF LUDWIG DIPL.-ING.;BATH FRITZ DR. PHIL.
分类号
H04J1/04
主分类号
H04J1/04
代理机构
代理人
主权项
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