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发明名称
Schaltungsanordnung fuer Fernsprechanlagen, insbesondere mit Waehlerbetrieb, in welchen Einrichtungen zur Erkennung der anrufenden Leitungen vorgesehen sind
摘要
申请公布号
DE826164(C)
申请公布日期
1951.12.27
申请号
DE1948P026890
申请日期
1948.12.25
申请人
AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED
发明人
BAKER GEORGE THOMAS
分类号
H04M15/08
主分类号
H04M15/08
代理机构
代理人
主权项
地址
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