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经营范围
发明名称
Ventilating fans
摘要
申请公布号
US3116679(A)
申请公布日期
1964.01.07
申请号
US19610158307
申请日期
1961.12.11
申请人
THOROLF SOLEM
发明人
SOLEM THOROLF
分类号
F04D25/14;F24F7/013;F24F13/18
主分类号
F04D25/14
代理机构
代理人
主权项
地址
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