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发明名称
Roof ventilation system
摘要
申请公布号
GB2206405(A)
申请公布日期
1989.01.05
申请号
GB19870013131
申请日期
1987.06.04
申请人
* SOFFIT VENTILATORS LIMITED
发明人
BRIAN CECIL * TUBB
分类号
E04D13/17;F24F7/00;(IPC1-7):F24F13/072
主分类号
E04D13/17
代理机构
代理人
主权项
地址
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