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发明名称
WEICHENSCHALTUNG FUER SIGNALE, INSBESONDERE FUER TELEFON-SELBSTSCHALTEINRICHTUNGEN
摘要
申请公布号
DE2851981(A1)
申请公布日期
1979.06.07
申请号
DE19782851981
申请日期
1978.12.01
申请人
ROZENWAIG,BORIS
发明人
ROZENWAIG,BORIS
分类号
H04Q3/52;H04Q11/00;(IPC1-7):H04Q3/00;H04B9/00
主分类号
H04Q3/52
代理机构
代理人
主权项
地址
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