发明名称 Check valve
摘要 A filter system especially useful in the treatment of waste material, in particular liquid waste material which may include particulate matter therein. The filter system includes a series of filters of progressively finer porosity in order to selectively eliminate particulate (or semi-particulate) matters from a carrier material, typically, but not exclusively, of a fluid or liquid nature. The filters are mounted within a housing which includes one or more inlet ports and at least one outlet port.
申请公布号 US2001040123(A1) 申请公布日期 2001.11.15
申请号 US20010860694 申请日期 2001.05.21
申请人 BECKHAM SCOTT 发明人 BECKHAM SCOTT
分类号 A61M1/00;B01D35/153;(IPC1-7):B01D35/153 主分类号 A61M1/00
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