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发明名称
PURIFIER FOR MANHOLE
摘要
申请公布号
KR200388942(Y1)
申请公布日期
2005.07.07
申请号
KR20050009912U
申请日期
2005.04.11
申请人
发明人
分类号
E03F5/14;(IPC1-7):E03F5/14
主分类号
E03F5/14
代理机构
代理人
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