KEY TELEPHONE SYSTEM,申请号JP19920020805-传众专利搜索

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发明名称	KEY TELEPHONE SYSTEM
摘要
申请公布号	JPH05219243(A)	申请公布日期	1993.08.27
申请号	JP19920020805	申请日期	1992.02.06
申请人	NEC CORP	发明人	HORIKAWA KIYOTAKA
分类号	H04M3/42;H04M3/54	主分类号	H04M3/42
代理机构		代理人
主权项
地址

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