ELECTRIC CLEANER FOR BLACKBOARD WIPER,申请号JP19760115830-传众专利搜索

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发明名称	ELECTRIC CLEANER FOR BLACKBOARD WIPER
摘要
申请公布号	JPS5342931(A)	申请公布日期	1978.04.18
申请号	JP19760115830	申请日期	1976.09.29
申请人	HITACHI LTD	发明人	SAITOU KOUICHI;ISHIKAWA HIROKI;MIYAMURA OSAMU
分类号	A47L9/02;A47L7/00;B43L21/00	主分类号	A47L9/02
代理机构		代理人
主权项
地址

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