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发明名称
SCHALTUNGSANORDNUNG FUER FERNSPRECHVERMITTLUNGSANLAGEN
摘要
申请公布号
DE1932292(B2)
申请公布日期
1972.02.17
申请号
DE19691932292
申请日期
1969.06.26
申请人
发明人
分类号
H04Q3/54;(IPC1-7):H04Q3/68
主分类号
H04Q3/54
代理机构
代理人
主权项
地址
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