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发明名称
ROOF VENTILATOR
摘要
申请公布号
GB2213926(A)
申请公布日期
1989.08.23
申请号
GB19890007720
申请日期
1989.04.06
申请人
* WILHELM GEBHARDT GMBH
发明人
FRIEDRICH K * FRENKLER;ANDREAS * HAUG;HEINZ * WIELAND
分类号
E04D13/17;F04D25/08;F04D25/12;F04D29/66;F24F7/02
主分类号
E04D13/17
代理机构
代理人
主权项
地址
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