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发明名称
Improvements in and relating to fans
摘要
申请公布号
GB910474(A)
申请公布日期
1962.11.14
申请号
GB19600000545
申请日期
1960.01.06
申请人
VENT-AXIA LIMITED
发明人
DOWNING JOHN KENNETH
分类号
F04D25/14;F24F7/013;F24F13/10;F24F13/14;F24F13/16
主分类号
F04D25/14
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代理人
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