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发明名称
Ventilator hood with collapsible bonnet
摘要
申请公布号
GB986117(A)
申请公布日期
1965.03.17
申请号
GB19610020205
申请日期
1961.06.05
申请人
NUTONE INC.
发明人
分类号
F24C15/20
主分类号
F24C15/20
代理机构
代理人
主权项
地址
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