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发明名称
METHOD FOR PRODUCING MANHOLE COVER AND THE SAME
摘要
申请公布号
KR20060035501(A)
申请公布日期
2006.04.26
申请号
KR20040085025
申请日期
2004.10.22
申请人
CITY & ENVIRONMENT CO., LTD.
发明人
LEE, MI HWA
分类号
E02D29/14
主分类号
E02D29/14
代理机构
代理人
主权项
地址
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