DIFF Subgroup Additional Only
F25B 2400/08 Refrigeration machines, plants and systems having means for detecting the concentration of a refrigerant
Full Title
General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B > Refrigeration machines, plants and systems having means for detecting the concentration of a refrigerant