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发明名称
Schaltungsanordnung zur Feststellung der Gebuehrenzone bei Fernsprechanlagen mit Waehlerbetrieb
摘要
申请公布号
DE909581(C)
申请公布日期
1954.04.22
申请号
DE1952F008871
申请日期
1952.04.24
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
SEELMANN-EGGEBERT DR.-ING. GERHARD;STRUEBIG DR. HEINRICH
分类号
H04M15/10
主分类号
H04M15/10
代理机构
代理人
主权项
地址
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