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发明名称
Schaltungsanordnung fuer steuerschalterlose Leitungswaehler in Fernsprechanlagen
摘要
申请公布号
DE857822(C)
申请公布日期
1952.12.01
申请号
DE1942S010480D
申请日期
1942.05.27
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
SIMON FRANZ
分类号
H04Q3/62
主分类号
H04Q3/62
代理机构
代理人
主权项
地址
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