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发明名称
A NONFREEZING VALVE
摘要
申请公布号
KR20120008297(U)
申请公布日期
2012.12.05
申请号
KR20110004544U
申请日期
2011.05.25
申请人
发明人
分类号
E03B7/10;F16L55/00
主分类号
E03B7/10
代理机构
代理人
主权项
地址
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