发明名称 Dual filter wet/dry hand-held vacuum cleaner
摘要 A dual filter wet/dry hand-held vacuum cleaner includes a two-stage filtration system effective to provide liquid and/or dry pick-up while minimizing the frequency with which it needs cleaned out that, at cleanup time, may be cleaned efficiently with little or no dust generation and minimal or no direct contact with accumulated grime.
申请公布号 US6434785(B1) 申请公布日期 2002.08.20
申请号 US20000553139 申请日期 2000.04.19
申请人 发明人
分类号 A47L5/24;A47L7/00;A47L9/10;(IPC1-7):A47L9/12;A47L9/18 主分类号 A47L5/24
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