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https://jmscience.co.kr/32/?idx=463
Dewar Flasks Cylindrical - Full Aluminum (드와 플라스크 - 알루미늄) : 제이엠사이언스
dewar flasks
cylindrical
full
aluminum
https://www.sci-bay.com/product/dilvac-blue-metal-cased-dewar-flasks-2-liter/
DILVAC Blue Metal Cased Dewar Flasks 2 Liter - Sci-bay
blue metal
dewar flasks
cased
liter
sci