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经营范围
发明名称
CHECK VALVE FOR LUBRICATION INLET HOLE OF UNDERGROUND PIPE
摘要
申请公布号
KR20080001883(U)
申请公布日期
2008.06.19
申请号
KR20060031586U
申请日期
2006.12.13
申请人
发明人
分类号
F16K15/00;F16K27/00;F16L1/00
主分类号
F16K15/00
代理机构
代理人
主权项
地址
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