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发明名称
A water works preventing freezing
摘要
申请公布号
KR200398138(Y1)
申请公布日期
2005.10.11
申请号
KR20050021469U
申请日期
2005.07.22
申请人
发明人
分类号
E03B7/10
主分类号
E03B7/10
代理机构
代理人
主权项
地址
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