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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0530613 (1990-05-30) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 29 인용 특허 : 0 |
Methods of and apparatus for detecting the leakage of fluids from containment vessels. The tank is surrounded by or lined with a generally fluidtight envelope, and a vacuum is applied to hold the envelope against the tank and thereby control and limit to a very small volume the space between the pri
A method of measuring the leakage from a primary containment means which comprises the steps of: so arranging a vessel and an essentially fluidtight envelope as to provide primary and secondary containment means and a space of controlled volume between said containment means; predicting the rate at
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