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发明名称
Ventilator
摘要
申请公布号
US2211367(A)
申请公布日期
1940.08.13
申请号
US19360110866
申请日期
1936.11.14
申请人
EVANS PRODUCTS COMPANY
发明人
DAVEY SAMUEL J.;CHRISTMAN GLENN A.
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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