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发明名称
A fire-break shutter for a ventilation duct
摘要
申请公布号
GB9823551(D0)
申请公布日期
1998.12.23
申请号
GB19980023551
申请日期
1998.10.29
申请人
STRULIK S.A.
发明人
分类号
A62C2/06;A62C2/14;F24F13/14
主分类号
A62C2/06
代理机构
代理人
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