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发明名称
Schaltungsanordnung fuer Fernmeldeanlagen, insbesondere Fernsprechanlagen mit Waehlerbetrieb
摘要
申请公布号
DE913552(C)
申请公布日期
1954.06.14
申请号
DE1948P009027
申请日期
1948.10.02
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
FLAD ARTUR
分类号
H04M3/40
主分类号
H04M3/40
代理机构
代理人
主权项
地址
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