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发明名称
Schaltungsanordnung zur Ermittlung des Zonenwertes einer Verbindung in Fernmelde-, insbesondere Fernsprechanlagen mit Wählerbetrieb
摘要
申请公布号
AT183457(B)
申请公布日期
1955.10.10
申请号
ATD183457
申请日期
1953.12.29
申请人
ALBISWERK ZUERICH A. G.
发明人
分类号
主分类号
代理机构
代理人
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