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发明名称
Schaltungsanordnung fuer Fernsprechanlagen mit Leitungswaehlern mit Sammelanschluessen
摘要
申请公布号
DE874463(C)
申请公布日期
1953.04.23
申请号
DE1951S022904
申请日期
1951.04.27
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
TOEPFER HERBERT
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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