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发明名称
Ventilating system
摘要
申请公布号
US2212050(A)
申请公布日期
1940.08.20
申请号
US19360113586
申请日期
1936.12.01
申请人
SAMUELSON WILLIAM J;BREWSTER HARRY M
发明人
SAMUELSON WILLIAM J.;BREWSTER HARRY M.
分类号
F24F7/06
主分类号
F24F7/06
代理机构
代理人
主权项
地址
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