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发明名称
Rotary fan
摘要
申请公布号
US2573875(A)
申请公布日期
1951.11.06
申请号
US19450637570
申请日期
1945.12.28
申请人
THE AIRSCREW COMPANY LIMITED
发明人
RIDDIFORD RICHARD GEORGE
分类号
F04D29/34
主分类号
F04D29/34
代理机构
代理人
主权项
地址
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