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经营范围
发明名称
Vent net
摘要
A net for covering an air duct is disclosed. The Vent net has a frame and is meant to prevent objects from falling into the duct.
申请公布号
US2008085674(A1)
申请公布日期
2008.04.10
申请号
US20070973625
申请日期
2007.10.09
申请人
BABIAK ROBERT
发明人
BABIAK ROBERT
分类号
F24F13/28
主分类号
F24F13/28
代理机构
代理人
主权项
地址
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