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经营范围
发明名称
The apparatus protecting of water supply and drainage pipe crossing potion
摘要
申请公布号
KR200449617(Y1)
申请公布日期
2010.07.23
申请号
KR20080006732U
申请日期
2008.05.23
申请人
发明人
分类号
E03F3/04;E03F3/00
主分类号
E03F3/04
代理机构
代理人
主权项
地址
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