9020 (01/1988-..) Breathing appliances and gas masks, incl. parts and accessories (excl. protective masks having neither mechanical parts nor replaceable filters, and artificial respiration or other therapeutic respiration apparatus)

90200000 (01/2006-12/2020) Breathing appliances and gas masks, incl. parts and accessories (excl. protective masks having neither mechanical parts nor replaceable filters, and artificial respiration or other therapeutic respiration apparatus) 90200010 (01/2021-..) Gas masks (excl. protective masks having neither mechanical parts nor replaceable filters) 90200090 (01/2021-..) Breathing appliances, incl. parts and accessories (excl. artificial respiration or other therapeutic respiration apparatus) 9021 Orthopaedic appliances, incl. crutches, surgical belts and trusses, splints and other fracture appliances, artificial parts of the body, hearing aids and other appliances which are worn or carried, or implanted in the body, to compensate for a defect or disability