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经营范围
发明名称
Roof ventilator
摘要
申请公布号
GB9620731(D0)
申请公布日期
1996.11.20
申请号
GB19960020731
申请日期
1996.10.04
申请人
REDLAND TECHNOLOGIES LIMITED
发明人
分类号
E04D1/24;E04D1/30;E04D13/00;E04D13/17
主分类号
E04D1/24
代理机构
代理人
主权项
地址
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