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发明名称
Power roof ventilator
摘要
申请公布号
US2926837(A)
申请公布日期
1960.03.01
申请号
US19570671164
申请日期
1957.07.11
申请人
THE TRANE COMPANY
发明人
COE ROBERT B.
分类号
F04D29/62
主分类号
F04D29/62
代理机构
代理人
主权项
地址
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