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发明名称
Anordnung zur Rufuebermittlung in Traegerfrequenzsystemen
摘要
申请公布号
DE756915(C)
申请公布日期
1952.05.05
申请号
DE1938L095363D
申请日期
1938.08.05
申请人
C. LORENZ A. G.
发明人
HAGEN WOLFGANG
分类号
H04Q1/442
主分类号
H04Q1/442
代理机构
代理人
主权项
地址
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