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经营范围
发明名称
Improvements in and relating to rotary ventilating fans or the like
摘要
申请公布号
GB357371(A)
申请公布日期
1931.09.24
申请号
GB19300028613
申请日期
1930.09.24
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;NORMAN FRANK TILBURY SAUNDERS
发明人
分类号
F04D29/52
主分类号
F04D29/52
代理机构
代理人
主权项
地址
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