the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide

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Sorption machines, plants or systems, operating continuously, e.g. absorption type > without inert gas (, F25B15/12, F25B15/14, F25B15/16 take precedence) > the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide