发明名称 Drain cover
摘要 A drain cover for a swimming pool, spa or tub drain that includes a hollow tube or shell having a slot formed in a wall therein and a fitting connecting the drain cover with respect to the drain.
申请公布号 US2003208839(A1) 申请公布日期 2003.11.13
申请号 US20020144212 申请日期 2002.05.10
申请人 BARNETT RALPH LIPSEY;POCZYNOK PETER JOSEPH 发明人 BARNETT RALPH LIPSEY;POCZYNOK PETER JOSEPH
分类号 A61H33/00;E04H4/12;(IPC1-7):E04H4/00 主分类号 A61H33/00
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