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经营范围
发明名称
VENTILATION FOR INSULATED ROOF SPACES
摘要
申请公布号
GB2070662(B)
申请公布日期
1984.02.29
申请号
GB19810000289
申请日期
1981.01.06
申请人
HEATMAX INSULATIONS LTD
发明人
分类号
E04D13/17;(IPC1-7):F24F7/02
主分类号
E04D13/17
代理机构
代理人
主权项
地址
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