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发明名称
摘要
申请公布号
FR2137525(A1)
申请公布日期
1972.12.29
申请号
FR19720015620
申请日期
1972.05.03
申请人
AIRSCREW FANS LTD
发明人
分类号
F24F7/007;F24F13/06;F24F13/065;F24F13/10;(IPC1-7):F24F13/00
主分类号
F24F7/007
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