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发明名称
Extractor ventilator
摘要
申请公布号
US2379638(A)
申请公布日期
1945.07.03
申请号
US19430472116
申请日期
1943.01.12
申请人
DONALD HUGHES BENJAMIN;LEONARD FORD ERNEST
发明人
HUGHES BENJAMIN DONALD;FORD ERNEST LEONARD
分类号
F24F7/02
主分类号
F24F7/02
代理机构
代理人
主权项
地址
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