7
Vacuum pumps [machines]; Air suction machines; Vacuum cleaners; Dust exhausting installations for cleaning purposes; Vacuum cleaner hoses; Robotic vacuum cleaners; Dust filters for vacuum cleaners; Vacuum cleaner bags; Brushes for vacuum cleaners; Central vacuum cleaning apparatus; Dust removing installations for cleaning purposes; Suction machines for scavenging purposes; Extracting machines; Pumps [machines]; Compressors; Compressors for air conditioning apparatus; Pumps, compressors and blowers; Air cleaners [air filters] for engines; none of the above goods intended for use in aircraft
9
Dust measuring apparatus; Fine dust measuring apparatus; Air current measuring apparatus; Measuring apparatus; Electronic meters; Computer software for use in remote meter monitoring; Measuring devices; Measuring devices, electric; Detectors for electric meters; Housings for measuring apparatus; Digital measuring apparatus; Dust masks incorporating air purification; none of the above goods intended for use in aircraft
11
Central air conditioning installations; Filters for air extractor hoods; Filters for use with apparatus for ventilating; Filters for waste gas purification; Suction ventilators; Cutting table extraction installations; Air purifying apparatus; Air cleaning apparatus; Clean air cabinets (Air purification apparatus for -); Air filters; Filters for air conditioning; Air filters for air conditioning units; Air filtering installations; Air purifiers; Air filters for industrial installations; Separators for scrubbing air; Electrostatic precipitators for cleaning air; Cyclones [air purifying apparatus]; Dust filters; Air filters for use as dust extractors in industrial processes; none of the above goods intended for use in aircraft