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经营范围
发明名称
Power driven air circulating fan
摘要
申请公布号
US2661895(A)
申请公布日期
1953.12.08
申请号
US19500186389
申请日期
1950.09.23
申请人
AIR CONTROLS, INC.
发明人
FRICK EDWARD J.
分类号
F04D29/52
主分类号
F04D29/52
代理机构
代理人
主权项
地址
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