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经营范围
发明名称
Check Valve System
摘要
申请公布号
KR100740544(B1)
申请公布日期
2007.07.19
申请号
KR20050063627
申请日期
2005.07.14
申请人
发明人
分类号
F16K15/18;F16K17/34
主分类号
F16K15/18
代理机构
代理人
主权项
地址
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