CPC Subgroup
A24F 40/48 Fluid transfer means, e.g. pumps
Full Title
Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor > Constructional details, e.g. connection of cartridges and battery parts > Fluid transfer means, e.g. pumps
1 direct subcode
Child Classifications
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- A24F 40/485 Valves; Apertures