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发明名称
VALVE SEAT CORROSION INTERRUPTION STRUCTURE OF VALVE
摘要
申请公布号
KR100474659(B1)
申请公布日期
2005.03.08
申请号
KR20020004522
申请日期
2002.01.25
申请人
发明人
分类号
F01L3/20;(IPC1-7):F01L3/20
主分类号
F01L3/20
代理机构
代理人
主权项
地址
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