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发明名称
SCHALTUNGSANORDNUNG FUER FERNMELDE INSBESONDERE FERN SPRECHANLAGEN MIT ZENTRALER GEBUEHRENERFASSUNG
摘要
申请公布号
DE1762190(B2)
申请公布日期
1971.02.18
申请号
DE19681762190
申请日期
1968.04.26
申请人
发明人
分类号
H04M15/08;(IPC1-7):H04M15/00
主分类号
H04M15/08
代理机构
代理人
主权项
地址
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