i. HOC

[Class - 11]

Air dryers; desiccant (adsorption) dryers; compressed air filters; compressed air coolers; compressed air dryers; filters being parts of installations; filter systems for air and gases; refrigeration dryers; condensate drains for compressed air applications being parts of refrigerating devices; refrigerating apparatus, refrigerating machines and refrigerating installations; refrigerating apparatus; air treatment apparatus and air treatment machines; filters for air conditioning; air filtering installations; air cooling devices; air purifying apparatus and air purifying machines; air purifying lamps having a germicidal effect; apparatus and devices for the sterilization of air; membrane dryers; regulating and safety accessories for gas devices (compressors); dust filters for use in compressed air installations; drying apparatus and drying installations; drying devices; compressed air reservoirs.

[Class - 6]

Compressed-air pipes of metal.

[Class - 9]

Control and regulating devices for compressors, vacuum pumps, compressor blowers or air treatment apparatus and air treatment devices; compressed air main charging systems (control devices for the regulation of compressed air).