🌐EnglishEnglishDeutschFrançaisNederlandsPortuguêsالعربية中文EntityQ899290· pop 7· linked from 62 articlesSiemens cyclegas cooling and liquefaction techniqueAvailable in 7 languagesFrançaisDeutschPortuguêsالعربيةNederlandsTamilvia Wikidata sitelinks · CC0Connectionsregenerative coolingEntityMax PlanckEntityCategories1857 in science1857 in the German ConfederationThermodynamic cycles