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经营范围
发明名称
Air circulator
摘要
申请公布号
US2711287(A)
申请公布日期
1955.06.21
申请号
US19510217784
申请日期
1951.03.27
申请人
RUSSELL JULIA L
发明人
RUSSELL JULIA L.
分类号
F04D29/64
主分类号
F04D29/64
代理机构
代理人
主权项
地址
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