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发明名称
Anrufsucherschaltung mit Gruppenunterteilung
摘要
申请公布号
DE885254(C)
申请公布日期
1953.08.03
申请号
DE1942T001072D
申请日期
1942.03.17
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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