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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0382927 (1999-08-25) |
우선권정보 | IN-0002525 (1998-08-26) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 2 인용 특허 : 4 |
The present invention relates to a device useful for measuring the flow rate of cryogenic liquids flowing through a tube, which comprises two coaxial tubes integrated at both ends by means such as plugs, the space between the coaxial tubes being air-free and filled with insulating material, the said
1. A device for measuring flow rate of cryogenic liquid flowing through a tube, comprisinga first tube and a second tube placed co-axially to form a co-axial tube and having an air-free space between the two tubes; said co-axial tube having both ends closed; said air-free space being filled with an
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