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发明名称
SCHALTUNGSANORDNUNG ZUR RUFSTROMEINSPEISUNG UND RUFSTROMSTEUERUNG IN TEILNEHMERSCHALTUNGEN VON FERNMELDE-, INSBESONDERE FERNSPRECHVERMITTLUNGSANLAGEN
摘要
申请公布号
DE2520450(B2)
申请公布日期
1978.02.02
申请号
DE19752520450
申请日期
1975.05.07
申请人
发明人
分类号
H04M19/02;(IPC1-7):H04M3/06
主分类号
H04M19/02
代理机构
代理人
主权项
地址
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