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发明名称
窨井盖组件
摘要
省略其它视图。
申请公布号
CN3315969D
申请公布日期
2003.08.20
申请号
CN02384598.8
申请日期
2002.12.31
申请人
朱泽进
发明人
朱泽进
分类号
25-02
主分类号
25-02
代理机构
代理人
主权项
地址
246001安徽省安庆市集贤南路198号
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