Automatische Personenrufeinrichtung in Verbindung mit Fernsprechanlagen.,申请号CHD195796-传众专利搜索

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发明名称	Automatische Personenrufeinrichtung in Verbindung mit Fernsprechanlagen.
摘要
申请公布号	CH195796(A)	申请公布日期	1938.02.15
申请号	CHD195796	申请日期	1937.05.12
申请人	ALBISWERK ZUERICH A. G.	发明人	G. ALBISWERK ZUERICH A.
分类号	H04Q3/00	主分类号	H04Q3/00
代理机构		代理人
主权项
地址

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