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发明名称
Ventilating fans
摘要
申请公布号
US3275224(A)
申请公布日期
1966.09.27
申请号
US19650436555
申请日期
1965.03.02
申请人
FIRTH CLEVELAND LIMITED
发明人
BUSH EDMUND HELMUTH
分类号
F04D17/04;F24F7/013;F28D1/02
主分类号
F04D17/04
代理机构
代理人
主权项
地址
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