Optical hookswitch assembly for a telephone.,申请号EP19890103762-传众专利搜索

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发明名称	Optical hookswitch assembly for a telephone.
摘要
申请公布号	EP0339212(B1)	申请公布日期	1994.01.05
申请号	EP19890103762	申请日期	1989.03.03
申请人	NORTHERN TELECOM LIMITED	发明人	WAKIM, MICHAEL JAMIL
分类号	H04M1/04;H04M1/06;H04M1/215;H04M1/27;H04M11/00;(IPC1-7):H04M1/06;H04M11/06	主分类号	H04M1/04
代理机构		代理人
主权项
地址

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