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经营范围
发明名称
A hinge type check valve
摘要
申请公布号
KR100719626(B1)
申请公布日期
2007.05.17
申请号
KR20050101960
申请日期
2005.10.27
申请人
发明人
分类号
F16K15/16
主分类号
F16K15/16
代理机构
代理人
主权项
地址
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