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发明名称
Schaltungsanordnung fuer Fernsprechnebenstellenanlagen mit Waehlerbetrieb
摘要
申请公布号
DE944439(C)
申请公布日期
1956.06.14
申请号
DE1953S035474
申请日期
1953.09.27
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
GRETZINGER OTTO;MASSOW GUENTHER
分类号
H04M3/58
主分类号
H04M3/58
代理机构
代理人
主权项
地址
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