发明名称 Extractor including sonic agitator
摘要 A carpet extractor head for a carpet extractor including at least one sonic agitator. The at least one sonic agitator includes a beater portion and an actuating member that vibrates the beater portion. The beater portion includes a hollow roller.
申请公布号 US7228591(B2) 申请公布日期 2007.06.12
申请号 US20050157589 申请日期 2005.06.21
申请人 发明人
分类号 A47L11/30;A47L9/04 主分类号 A47L11/30
代理机构 代理人
主权项
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