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发明名称
Safety ball valve
摘要
申请公布号
KR200440488(Y1)
申请公布日期
2008.06.16
申请号
KR20070019690U
申请日期
2007.12.07
申请人
发明人
分类号
F16K5/06
主分类号
F16K5/06
代理机构
代理人
主权项
地址
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