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发明名称
Ventilator fan mounting
摘要
申请公布号
US2619021(A)
申请公布日期
1952.11.25
申请号
US19490108595
申请日期
1949.08.04
申请人
ILG ELECTRIC VENTILATING COMPANY
发明人
PFAUTSCH RAYMOND V.
分类号
F04D29/64
主分类号
F04D29/64
代理机构
代理人
主权项
地址
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