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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0486368 (1990-02-28) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 3 인용 특허 : 5 |
A self-powered servo-actuated backpressure regulating valve including a valve housing (1) having an inlet port (2) and an outlet port (3). A valve plate (4) is disposed in the housing (1) and supported by an evacuated chamber (12) defined by a bellows (10) so as to be movable toward and away from a
A self-powered servo-actuated backpressure regulating valve comprising a valve housing means including an inlet port means and an outlet port means, valve plate means disposed in said valve housing means, means defining an evacuated chamber means for supporting said valve plate means so as to be mov
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