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发明名称
CHECK VALVE FOR PIPED WATER
摘要
申请公布号
KR200438433(Y1)
申请公布日期
2008.02.05
申请号
KR20070005045U
申请日期
2007.03.28
申请人
发明人
分类号
E03B7/07;E03B9/02
主分类号
E03B7/07
代理机构
代理人
主权项
地址
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