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发明名称
ANORDNUNG ZUR RUF- UND SIGNALFREQUENZERZEUGUNG FUER OB-FERNSPRECHAPPARATE UND VERMITTLUNGSEINRICHTUNGEN.
摘要
申请公布号
DE1733757(U)
申请公布日期
1956.11.15
申请号
DE195600Q0379U
申请日期
1956.04.26
申请人
QUANTE & CO. K.G.
发明人
分类号
主分类号
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