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发明名称
Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb
摘要
申请公布号
DE737831(C)
申请公布日期
1943.07.26
申请号
DE1938T049930D
申请日期
1938.02.09
申请人
TELEFONBAU UND NORMALZEIT G.M.B.H.
发明人
WIRTH ALEXANDER
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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