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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0825021 (1986-01-31) |
발명자 / 주소 |
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출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 5 인용 특허 : 2 |
A filter leaf having a drainage member which is fabricated by combining a plurality of preforated and texturized sheets into a sandwich structure. The drainage member is covered in both sides by a pair of surface screens, and the entire assembly is secured together by a suitable frame.
A filter leaf comprising: a pair of opposed and parallel fine mesh surface screens of like shape and size; a drainage member sandwiched supportingly between said surface screens, a frame member surrounding and securing said surface screens and said drainage member, and an outlet fitting for receivin
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