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发明名称
MAINTENANCE BALL VALVE
摘要
申请公布号
KR100882714(B1)
申请公布日期
2009.02.06
申请号
KR20070069340
申请日期
2007.07.10
申请人
发明人
分类号
F16K11/087;F16K11/08;F17C13/04
主分类号
F16K11/087
代理机构
代理人
主权项
地址
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