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发明名称
Schaltungsanordnung fuer Fernsprechanlagen, bei welchen Wahlstromstoesse ueber eine Verbindungsleitung uebertragen werden
摘要
申请公布号
DE960734(C)
申请公布日期
1957.03.28
申请号
DE1949P029278D
申请日期
1949.01.01
申请人
AUTOMATIC TELEPHONE & ELECTRIC CO. LTD.
发明人
TAYLOR REGINALD;BAKER GEORGE THOMAS
分类号
H04Q1/32
主分类号
H04Q1/32
代理机构
代理人
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