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发明名称
Schaltungsanordnung fuer Nebenstellenanlagen mit Rueckfragemoeglichkeit
摘要
申请公布号
DE598813(C)
申请公布日期
1934.06.19
申请号
DED598813D
申请日期
1930.10.29
申请人
C. LORENZ AKT.-GES.
发明人
KORTHAEUER THEODOR
分类号
H04M3/58
主分类号
H04M3/58
代理机构
代理人
主权项
地址
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