发明名称 POOL VACUUM APPARATUS
摘要 A portable pool vacuum apparatus where as the water and debris is drawn through a vacuum head into a filtration chamber within a casing, the water is passed through a plurality of spaced apart cartridge filters and into a manifold type of chamber, the water then drawn into a pumping apparatus and discharged exteriorly thereof back into the pool.
申请公布号 US3868739(A) 申请公布日期 1975.03.04
申请号 US19730329302 申请日期 1973.02.05
申请人 HARGRAVE, ROBERT W. 发明人 HARGRAVE, ROBERT W.
分类号 E04H4/16;(IPC1-7):E04H3/20 主分类号 E04H4/16
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