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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0226977 (1994-04-13) |
우선권정보 | JP-0050149 U (1993-08-24) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 14 인용 특허 : 0 |
A filter designed in compact form and requiring low filtration cost, by which there is no need to replace filter each time it becomes clogged and for which no liquid for backwashing is required, and with which is possible to filter under liquid pressure. In the filter, two ends of a filtering segmen
A filter comprising a filter medium in an oblong tube shape, a filtering segment of said filter medium defined at two ends by opposing pressure rollers by being closely squeezed and held by said opposing pressure rollers, a raw liquid introducing pipe closely squeezed and held between a pair of said
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