COMMUNICATION TELEPHONE EXCHANGE DEVICE,申请号JP19940173804-传众专利搜索

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发明名称	COMMUNICATION TELEPHONE EXCHANGE DEVICE
摘要
申请公布号	JPH0837510(A)	申请公布日期	1996.02.06
申请号	JP19940173804	申请日期	1994.07.26
申请人	NEC ENG LTD	发明人	KANEKO YASUHIRO
分类号	H04H20/12;H04H60/04;H04M3/00;H04Q11/04;(IPC1-7):H04H7/00	主分类号	H04H20/12
代理机构		代理人
主权项
地址

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