A HUMAN NECESSITIES
A24 TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
A24F SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
A24F40/00 Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
A24F40/40 Constructional details, e.g. connection of cartridges and battery parts
A24F40/42 Cartridges or containers for inhalable precursors