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发明名称
摘要
申请公布号
FR2420639(B1)
申请公布日期
1984.04.27
申请号
FR19790007019
申请日期
1979.03.20
申请人
GREENWOOD AIRVAC VENTILATION LTD
发明人
分类号
F24F13/075;(IPC1-7):E06B7/04
主分类号
F24F13/075
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