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发明名称
Improvement ball valve for boiler
摘要
申请公布号
KR100952119(B1)
申请公布日期
2010.04.08
申请号
KR20080029081
申请日期
2008.03.28
申请人
发明人
分类号
F24D19/08;F16K5/06
主分类号
F24D19/08
代理机构
代理人
主权项
地址
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