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发明名称
Schaltungsanordnung fuer Fernsprechnebenstellenanlagen
摘要
申请公布号
DE629648(C)
申请公布日期
1936.05.13
申请号
DED629648D
申请日期
1930.11.01
申请人
TELEFONBAU UND NORMALZEIT AKT.-GES.;AUGUST HEIBEL
发明人
分类号
H04M5/12
主分类号
H04M5/12
代理机构
代理人
主权项
地址
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