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发明名称
井盖
摘要
左视图与右视图对称,省略左视图。省略仰视图。
申请公布号
CN3225412D
申请公布日期
2002.02.27
申请号
CN01323751.9
申请日期
2001.08.13
申请人
李伟
发明人
李伟
分类号
25-02-M0028
主分类号
25-02-M0028
代理机构
祥云专利事务所
代理人
秦月贞
主权项
地址
100077北京市丰台区马家堡东里3号楼3门601室
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