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发明名称
SCHALTUNGSANORDNUNG ZUR UMSCHALTUNG VON VERBINDUNGEN VON SPRACH- AUF DATENUEBERTRAGUNG IN ZENTRALGESTEUERTEN BETRIEBSFERNMELDEANLAGEN
摘要
申请公布号
DD251662(B1)
申请公布日期
1991.02.14
申请号
DD19860293012
申请日期
1986.07.29
申请人
ZENTRALES FI D. VERKEHRSWESENS IFE SEKTION IT,DE
发明人
FECHNER,GERHARD,DE;GOLLNICK,MANFRED,DE
分类号
H04M11/06;(IPC1-7):H04M11/06
主分类号
H04M11/06
代理机构
代理人
主权项
地址
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