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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0249938 (1981-04-01) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 10 인용 특허 : 4 |
A novel dual or more interconnected pumping mechanisms pump is provided herein. It comprises a first pumping mechanism within a casing. A first pumping mechanism is provided within the casing, the first pumping mechanism having an operating shaft within the casing, the operating shaft being operated
A dual pump comprising: (a) a casing; (b) a first pumping mechanism within said casing, said first pumping mechanism having an operating shaft within said casing, said operating shaft being operated by a motor, said first pumping mechanism having pumping structure so constructed and arranged as excl
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