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发明名称
Fire damper
摘要
申请公布号
GB2249479(B)
申请公布日期
1994.12.14
申请号
GB19910018625
申请日期
1991.08.30
申请人
* GILBERTS
发明人
JOHN JAMES * MAWDSLEY
分类号
A62C2/16;A62C2/24;(IPC1-7):A62C2/24
主分类号
A62C2/16
代理机构
代理人
主权项
地址
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