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发明名称
Schaltungsanordnung fuer Fernsprechnebenstellenanlagen
摘要
申请公布号
DE959117(C)
申请公布日期
1957.02.28
申请号
DE1940T001135D
申请日期
1940.12.28
申请人
TELEFONBAU UND NORMALZEIT G.M.B.H.
发明人
GIERMANN KARL
分类号
H04Q3/62
主分类号
H04Q3/62
代理机构
代理人
主权项
地址
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