Fiber compacting machines and pre-filters being filters for use in textile machines, cellulose manufacturing machines, and fiber manufacturing machines, for the pneumatic cleaning, deducting and support of textile machines, textile machine halls, and textiles in knitting factories and hosiery factories; compact drum filters, drum filters, compact filters, and industrial fan units for removing fibers and dust for the pneumatic cleaning, deducting and support of textile machines, textile machine halls and textiles in knitting factories and hosiery factories; parts of the aforementioned goods

Air conditioning installations and apparatus; Air conditioning installations and apparatus, namely, central air-conditioners, tangential fans, air filters and ventilators; Air humidifying and dehumidifying apparatus; Air humidifying and dehumidifying apparatus, namely, humidity exchangers; Apparatus for heating and refrigerating purposes, namely, heat exchangers, electric heaters, ceiling inductors and floor inductors for water heaters, facade ventilating units, air reheaters, evaporative air coolers, electric fans, and dust and odor air filters; Drying installations for use in heating systems, ventilation systems, air conditioning systems, and refrigeration systems; Drying installations for use in heating systems, ventilation systems, air conditioning systems, and refrigeration systems, namely, air diffusers and chilled beams; Convection heaters for ventilating installations; Central air-conditioning installations; Servomotors for ventilating installations, namely, servomotors specially adapted for use with ventilating exhaust fans; all the aforesaid goods for commercial, industrial, office, laboratory, university, and hospital buildings