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发明名称
Schaltungsanordnung fuer Fernsprechnebenstellenanlagen mit Waehlerbetrieb
摘要
申请公布号
DE947984(C)
申请公布日期
1956.08.23
申请号
DE1953S033700
申请日期
1953.06.05
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
PFAFF DIPL.-ING. WALTER
分类号
H04M3/38
主分类号
H04M3/38
代理机构
代理人
主权项
地址
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