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发明名称
ANORDNUNG ZUR BETRIEBSERHALTENDEN UMSCHALTUNG VON NACHRICHTEN-UEBERTRAGUNGSKANAELEN
摘要
申请公布号
DE2048098(B2)
申请公布日期
1972.05.04
申请号
DE19702048098
申请日期
1970.09.30
申请人
发明人
分类号
H04B1/74;(IPC1-7):H04Q9/04
主分类号
H04B1/74
代理机构
代理人
主权项
地址
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