黑板擦除尘器,申请号CN99315037.3-传众专利搜索

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发明名称	黑板擦除尘器
摘要
申请公布号	CN3150465D	申请公布日期	2000.06.07
申请号	CN99315037.3	申请日期	1999.09.03
申请人	陈长干	发明人	陈长干; 吴学良
分类号	19-06-B0253	主分类号	19-06-B0253
代理机构		代理人
主权项
地址	325802浙江省苍南龙港镇龙翔中路548号

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