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经营范围
发明名称
Fan construction
摘要
申请公布号
US2974728(A)
申请公布日期
1961.03.14
申请号
US19570691428
申请日期
1957.10.21
申请人
LENNOX INDUSTRIES, INC.
发明人
CULP CHESTER F.
分类号
F04D29/38
主分类号
F04D29/38
代理机构
代理人
主权项
地址
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