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发明名称
VENTILATOR BAFFLE/VENTURI
摘要
申请公布号
GB9306768(D0)
申请公布日期
1993.05.26
申请号
GB19930006768
申请日期
1993.03.31
申请人
SMITH TERRY
发明人
分类号
E04B1/70;E04C1/39;F24F7/00;F24F13/08
主分类号
E04B1/70
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