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发明名称
Double plate check valve
摘要
申请公布号
KR20090003248(U)
申请公布日期
2009.04.07
申请号
KR20070016109U
申请日期
2007.10.02
申请人
发明人
分类号
F16K15/00;F16K1/34;F16K15/03
主分类号
F16K15/00
代理机构
代理人
主权项
地址
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