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发明名称
Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb
摘要
申请公布号
DE753442(C)
申请公布日期
1953.02.23
申请号
DE1938T050642D
申请日期
1938.07.05
申请人
TELEFONBAU;NORMALZEIT G.M.B.H.
发明人
HEBEL MARTIN DR.-ING.
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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