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发明名称
Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb und mehreren Vermittlungsstellen
摘要
申请公布号
DE877320(C)
申请公布日期
1953.05.21
申请号
DE1944T001062D
申请日期
1944.03.14
申请人
TELEFONBAU;NORMALZEIT G.M.B.H.
发明人
WIRTH ALEXANDER
分类号
H04M7/06;H04Q3/00
主分类号
H04M7/06
代理机构
代理人
主权项
地址
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