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发明名称
VENTILATION DEVICES
摘要
申请公布号
GB2150686(B)
申请公布日期
1987.06.03
申请号
GB19840029205
申请日期
1984.11.19
申请人
* GLENDALE ENGINEERING LTD
发明人
GEORGE WILLIAM * BAMBROUGH
分类号
E04D13/17;F24F7/02;F24F13/08;(IPC1-7):E04D1/30
主分类号
E04D13/17
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代理人
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