ELECTRONIC BLACKBOARD SYSTEM,申请号JP19840151693-传众专利搜索

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发明名称	ELECTRONIC BLACKBOARD SYSTEM
摘要
申请公布号	JPS6130164(A)	申请公布日期	1986.02.12
申请号	JP19840151693	申请日期	1984.07.20
申请人	SHARP CORP	发明人	YAMAZAKI TOSHIO;KAKUZEN MASARU
分类号	H04N1/00;B43L1/04;H04N7/15	主分类号	H04N1/00
代理机构		代理人
主权项
地址

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