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发明名称
摘要
申请公布号
FR2114710(A5)
申请公布日期
1972.06.30
申请号
FR19710040813
申请日期
1971.11.15
申请人
VENAIR TECHNIK J FORG
发明人
分类号
F24F13/02;F24F13/08;(IPC1-7):E04F17/00
主分类号
F24F13/02
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