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经营范围
发明名称
Schaltungsanordnung zur Ermittlung des Zonenwertes einer Verbindung in Fernmeldeanlagen, insbesondere Fernsprechanlagen, mit Wählerbetrieb.
摘要
申请公布号
CH276286(A)
申请公布日期
1951.06.30
申请号
CHD276286
申请日期
1948.11.16
申请人
ALBISWERK ZUERICH AG.
发明人
AG. ALBISWERK ZUERICH
分类号
H04M15/00;H04M15/10
主分类号
H04M15/00
代理机构
代理人
主权项
地址
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