METHOD OF OPERATING CHANGEOVER SYSTEM OF LONG DISTANCE COMMUNICATION,申请号JP19860295769-传众专利搜索

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发明名称	METHOD OF OPERATING CHANGEOVER SYSTEM OF LONG DISTANCE COMMUNICATION
摘要
申请公布号	JPS62176299(A)	申请公布日期	1987.08.03
申请号	JP19860295769	申请日期	1986.12.13
申请人	NORTHERN TELECOM LTD	发明人	PIITAA ERU KUWAN CHIYAU
分类号	H04Q11/04;H04Q11/06	主分类号	H04Q11/04
代理机构		代理人
主权项
地址

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