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发明名称
EINRICHTUNG ZUR ANZEIGE DER LAGE DER GESPRAECHE IM GESAMTFREQUENZBAND BEI MEHRFACH AUSGENUTZTEN VERBINDUNGEN, INSBESONDERE IM FUNKSPRECHVERKEHR.
摘要
申请公布号
DE1620966(U)
申请公布日期
1951.03.15
申请号
DE195000L0739U
申请日期
1950.02.28
申请人
C. LORENZ A.G.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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