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发明名称
Air bleed valve arrangement in a vacuum cleaner
摘要
申请公布号
GB2372431(A)
申请公布日期
2002.08.28
申请号
GB20010004662
申请日期
2001.02.24
申请人
* DYSON LIMITED
发明人
STEPHEN PAUL * ORGAN
分类号
A47L9/12;A47L9/16;A47L9/19;A47L9/22;(IPC1-7):A47L9/00;B01D46/42
主分类号
A47L9/12
代理机构
代理人
主权项
地址
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