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经营范围
发明名称
Underfloor duct vent (UDV)
摘要
申请公布号
GB0621758(D0)
申请公布日期
2006.12.13
申请号
GB20060021758
申请日期
2006.11.01
申请人
LAW, BARRY A
发明人
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主分类号
代理机构
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