ELECTRONIC BLACKBOARD DEVICE,申请号JP19860062243-传众专利搜索

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发明名称	ELECTRONIC BLACKBOARD DEVICE
摘要
申请公布号	JPS62218199(A)	申请公布日期	1987.09.25
申请号	JP19860062243	申请日期	1986.03.20
申请人	MATSUSHITA ELECTRIC IND CO LTD	发明人	JINBO KENJI;KENJI CHIKAO;UEHIRA KIYOTAKA
分类号	B43L1/04	主分类号	B43L1/04
代理机构		代理人
主权项
地址

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