ABSENCE TRANSFER CONTROL SYSTEM FOR KEY TELEPHONE SET,申请号JP19890261314-传众专利搜索

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发明名称	ABSENCE TRANSFER CONTROL SYSTEM FOR KEY TELEPHONE SET
摘要
申请公布号	JPH03163945(A)	申请公布日期	1991.07.15
申请号	JP19890261314	申请日期	1989.10.06
申请人	NEC CORP	发明人	TOYOSHIMA FUMIYOSHI
分类号	H04M3/54	主分类号	H04M3/54
代理机构		代理人
主权项
地址

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