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经营范围
发明名称
Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb
摘要
申请公布号
DE660675(C)
申请公布日期
1938.06.01
申请号
DE1932S103086D
申请日期
1932.02.03
申请人
DIPL.-ING. GERHARD SEELMANN-EGGEBERT
发明人
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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