CPC Main Group
F25B 41/00 Fluid-circulation arrangements
5 direct subcodes
Child Classifications
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- F25B 41/10 using electro-osmosis
- F25B 41/20 Disposition of valves, e.g. of on-off valves or flow control valves (expansion valves F25B41/31)
- F25B 41/30 Expansion means; Dispositions thereof
- F25B 41/40 Fluid line arrangements