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经营范围
发明名称
Roof ventilators
摘要
申请公布号
GB2045917(A)
申请公布日期
1980.11.05
申请号
GB19800010759
申请日期
1980.03.31
申请人
COLT INTERNATIONAL LTD
发明人
分类号
F24F7/02;F24F13/14;F24F13/15;(IPC1-7):F24F7/02
主分类号
F24F7/02
代理机构
代理人
主权项
地址
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