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发明名称
A roof vent for a building
摘要
申请公布号
GB0412685(D0)
申请公布日期
2004.07.07
申请号
GB20040012685
申请日期
2004.06.08
申请人
CLEAR SPAN LIMITED
发明人
分类号
E04D13/03;F24F7/02
主分类号
E04D13/03
代理机构
代理人
主权项
地址
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