SIMPLE INFORMATION NETWORK SYSTEM USING KEY TELEPHONE SET,申请号JP19870243700-传众专利搜索

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发明名称	SIMPLE INFORMATION NETWORK SYSTEM USING KEY TELEPHONE SET
摘要
申请公布号	JPS6489698(A)	申请公布日期	1989.04.04
申请号	JP19870243700	申请日期	1987.09.30
申请人	IWATSU ELECTRIC CO LTD	发明人	SAITO KIMIHARU;YAMAZAKI HIROO;MAEDA HIROKI
分类号	H04Q3/58;G06F17/30	主分类号	H04Q3/58
代理机构		代理人
主权项
地址

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