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发明名称
Window ventilator
摘要
申请公布号
US2029610(A)
申请公布日期
1936.02.04
申请号
US19330652834
申请日期
1933.01.21
申请人
CAMPBELL METAL WINDOW CORPORATION
发明人
CAMPBELL HARRY E.;SARGENT ALLSTON
分类号
F24F7/013;F24F13/24
主分类号
F24F7/013
代理机构
代理人
主权项
地址
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