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经营范围
发明名称
A valve open/close apparatus of screw assembling type
摘要
申请公布号
KR100827347(B1)
申请公布日期
2008.05.06
申请号
KR20060078077
申请日期
2006.08.18
申请人
发明人
分类号
F16K37/00;F16K31/52
主分类号
F16K37/00
代理机构
代理人
主权项
地址
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