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发明名称
Schaltungsanordnung zum Bestimmen des freien oder besetzten Zustandes der Verbindungen eines Schaltnetzwerkes fuer Fernmelde-, insbesondere Fernsprech-vermittlungsanlagen
摘要
申请公布号
DE1173542(B)
申请公布日期
1964.07.09
申请号
DE1962N022459
申请日期
1962.12.10
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
MOL GERRIT;SCHMITZ MATTHEUS JACOBUS
分类号
H04Q3/52
主分类号
H04Q3/52
代理机构
代理人
主权项
地址
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