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发明名称
Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb
摘要
申请公布号
DE696782(C)
申请公布日期
1940.09.28
申请号
DE193701S0646D
申请日期
1937.08.06
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
GROTE DIPL.-ING. RICHARD
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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