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发明名称
Einzelkanalsystem fuer mehrfachtraegerfrequente Nachrichtenuebertragung
摘要
申请公布号
DE742808(C)
申请公布日期
1943.12.11
申请号
DE1939S137782D
申请日期
1939.07.09
申请人
SIEMENS & HALSKE AG.
发明人
MAYER DR. PHIL. HANS-FERDINAND
分类号
H04J1/10
主分类号
H04J1/10
代理机构
代理人
主权项
地址
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