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发明名称
Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb
摘要
申请公布号
DE891701(C)
申请公布日期
1953.10.01
申请号
DE1944S011202D
申请日期
1944.03.30
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
HORN ERNST
分类号
H04M7/06;H04Q3/00
主分类号
H04M7/06
代理机构
代理人
主权项
地址
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