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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0267087 (1994-06-24) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 27 인용 특허 : 7 |
A pumping system for continuously delivering fluid at a selected flow rate to a receiving system. The system includes at least a first and a second pumping unit, each of the individual units comprises a syringe and a valve. The syringe comprises a piston and a piston actuator, cylinder, and pressure
A pumping system for delivering fluid from a solvent reservoir to a receiving system at a selected flow rate, comprising: a pumping mechanism including a first pumping unit and a second pumping unit, said first pumping unit and said second pumping unit being arranged to continuously deliver said flu
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