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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0579009 (1975-05-19) |
발명자 / 주소 |
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출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 21 인용 특허 : 0 |
A valve structure has a body with an inlet, an outlet and an intermediate by pass aperture. A pair of identical check valves are located in the body, one to each side of the aperture. The check valve nearest the inlet has a slidable housing, movable to cover the aperture, biased away from the fixed
A valve structure having a body with an inlet, an outlet and an intermediate by-pass aperture, first and second check valve housings in said body and located respectively before and after said by-pass aperture in relation to the direction of flow, said second valve housing being sealingly secured to
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