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发明名称
带密码锁的井盖
摘要
设计要点在于:井盖表面的多个密码盘排列为两行。
申请公布号
CN3328518D
申请公布日期
2003.10.08
申请号
CN03322585.0
申请日期
2003.04.10
申请人
李金英
发明人
李金英
分类号
25-02
主分类号
25-02
代理机构
江门市嘉权专利代理有限公司
代理人
喻新学
主权项
地址
529163广东省江门市沙仔尾区永华里11号
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