发明名称 SURFACE CLEANING PICKUP HEAD
摘要 <p>SURFACE CLEANING PICKUP HEAD The specification discloses a surface cleaning apparatus having an air blast pickup head in which the suction in the exhaust chamber can be increased by the operator during operation of the apparatus to facilitate the ingestion of larger objects of debris and litter.</p>
申请公布号 CA1045316(A) 申请公布日期 1979.01.02
申请号 CA19750238886 申请日期 1975.11.03
申请人 CLARKE-GRAVELY CORPORATION 发明人 HOMMES, JACK L.
分类号 A47L5/14;(IPC1-7):47L5/14 主分类号 A47L5/14
代理机构 代理人
主权项
地址