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经营范围
发明名称
VENTILATION APPARATUS
摘要
申请公布号
EP0275896(A3)
申请公布日期
1989.09.20
申请号
EP19880100293
申请日期
1988.01.12
申请人
GRETSCH UNITAS GMBH BAUBESCHLAGE
发明人
RENZ, WALTER, ING.GRAD;POHLER, MANFRED;ENGLER, HANS
分类号
F04D29/50;F24F7/013;(IPC1-7):F04D29/50
主分类号
F04D29/50
代理机构
代理人
主权项
地址
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