黑板自动清洁器,申请号TW051245-传众专利搜索

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发明名称	黑板自动清洁器
摘要
申请公布号	TW009553	申请公布日期	1971.10.01
申请号	TW051245	申请日期	1971.04.01
申请人	顾龙飞	发明人	顾龙飞
分类号	A46B	主分类号	A46B
代理机构		代理人
主权项
地址	桃园县山莺路4巷1弄3号

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