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经营范围
发明名称
AIR VALVE
摘要
申请公布号
KR20090009019(U)
申请公布日期
2009.09.09
申请号
KR20080002895U
申请日期
2008.03.05
申请人
发明人
分类号
E03F3/00;E03B7/07;F16K24/00
主分类号
E03F3/00
代理机构
代理人
主权项
地址
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