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发明名称
井盖(联通方形)
摘要
省略其它视图。
申请公布号
CN3312748D
申请公布日期
2003.08.06
申请号
CN02383737.3
申请日期
2002.12.31
申请人
叶炽凡
发明人
叶炽凡
分类号
25-02
主分类号
25-02
代理机构
广州三环专利代理有限公司
代理人
满群
主权项
地址
523205广东省东莞市望牛墩镇洲湾区东历水泥制品厂
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