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发明名称
Omnidirectional exhaust ventilator
摘要
申请公布号
US3382792(A)
申请公布日期
1968.05.14
申请号
US19650479734
申请日期
1965.08.16
申请人
BEN O. HOWARD
发明人
HOWARD BEN O.
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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