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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0014812 (1987-02-13) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 19 인용 특허 : 0 |
A system for detecting leaks over a designated test period in liquid storage tanks and like systems having underground tanks which are connected with good withdrawal systems. A fill pipe provides for obtaining a differential pressure measurement reflecting a difference in head of adjacent columns of
A method for detecting leaks in liquid storage tanks and like systems, having tank bodies with projecting fill and vent pipes, which systems are connected with a liquid withdrawal system normally isolated from the atmosphere, and are filled only to an extent to leave a top space in the body of the t
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