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发明名称
Schaltungsanordnung zur Ausloesung von Fernverbindungen in Fernsprechanlagen
摘要
申请公布号
DE894851(C)
申请公布日期
1953.10.29
申请号
DE1944S011938D
申请日期
1944.09.01
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
DAHMS RUDOLF
分类号
H04M3/60
主分类号
H04M3/60
代理机构
代理人
主权项
地址
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