7
Filters for machines; Portable filtration units [machines]; Extracting machines; Sweeping, cleaning, washing and laundering machines; Suction machines for industrial purposes; Suction machines for scavenging purposes; Air suction machines; Vacuum cleaners; Industrial cleaning machines; Dust filters for vacuum cleaners; Commercial and industrial vacuum cleaners; Vacuum cleaner bags; Filtering machines, separators and centrifuges; Air filters for mechanical purposes; Dust separators; Venturi scrubbers
11
Flues and installations for conveying exhaust gases; Filters for industrial and household use; Heating, ventilating, and air conditioning and purification equipment (ambient); Filters for exhaust extractors [parts of household or industrial installations]; Electrostatic air filters; Filters for waste gas purification; Filters for cleaning gases [parts of household or industrial installations]; Filters for industrial installations; Filters for use with apparatus for ventilating; Dust filters; Industrial air filter machines; Air filters; Air purifying apparatus; Air filtering installations; Filters for air conditioning; Air filters for household use; Air filters for industrial use; Air filters for industrial installations; Air filters for use as dust extractors in industrial processes; Air filters for use as dust arrestants in industrial processes; Dust cyclone filters; Extractor units [ventilation]; Installations for air extraction; HVAC systems (heating, ventilation and air conditioning); Industrial air purifiers; Household air cleaners