DIFF Subgroup
F25B 17/083 Full Title
Sorption machines, plants or systems, operating intermittently, e.g. absorption or adsorption type > the absorbent or adsorbent being a solid, e.g. salt (F25B17/12 takes precedence)
F25B 17/083 Sorption machines, plants or systems, operating intermittently, e.g. absorption or adsorption type > the absorbent or adsorbent being a solid, e.g. salt (F25B17/12 takes precedence)