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发明名称
Sealing device of butterfly valve
摘要
申请公布号
KR200387894(Y1)
申请公布日期
2005.06.28
申请号
KR20050010387U
申请日期
2005.04.14
申请人
发明人
分类号
F16K1/226;(IPC1-7):F16K1/226
主分类号
F16K1/226
代理机构
代理人
主权项
地址
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