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发明名称
Schaltungsanordnung fuer Fernsprechanlagen mit mehreren Vermittlungsstellen
摘要
申请公布号
DE581942(C)
申请公布日期
1933.08.08
申请号
DE1925S070002D
申请日期
1925.05.15
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
LUBBERGER DR.-ING. FRITZ
分类号
H04Q3/58
主分类号
H04Q3/58
代理机构
代理人
主权项
地址
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