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发明名称
STRUCTURE FOR PROTECTING BACKFLOW OF ORIFICE IN CENTRIFUGAL FAN
摘要
申请公布号
KR100556952(B1)
申请公布日期
2006.03.03
申请号
KR20030074405
申请日期
2003.10.23
申请人
发明人
分类号
F24F1/02
主分类号
F24F1/02
代理机构
代理人
主权项
地址
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