1 Gases used for industrial and scientific purposes, including in liquid or dissolved form, in particular oxygen, oxygen-containing gases, nitrous oxide, all the noble gases and mixtures of all of the aforementioned gases.
5 Gases for medical and pharmaceutical purposes, including in liquid or dissolved form, in particular oxygen, oxygen-containing gases, nitrous oxide, all the noble gases and mixtures of all of the aforementioned gases; anaesthetic gases.
6 Mobile and portable containers of metal for gases, gas containers of metal, equipment and containers of metal for storing and evaporating liquid gases; pipework of metal; fastenings and racks of metal for gas containers, fittings of metal (included in class 6) for supplying gas.
7 Machines and fittings (included in class 7) for supplying gas, in particular pressure reducers, pressure reducing valves, regulating valves, shut-off valves, return valves, ejectors, pumps and blowing machines for the compression, exhaustion and transport of gases, compressors.
10 Medical and therapeutic apparatus and equipment being used in relation to supply of gases; equipment and apparatus for supplying gas to humans for medical purposes, in particular equipment and apparatus for administering oxygen or to induce sleep, masks for supplying gas to humans for medical purposes; inhalers; equipment and apparatus for anaesthesia; medical measuring instruments; pumps for medical purposes; equipment and apparatus for assisting and/or monitoring respiration; equipment for humidifying the respiratory tract; equipment for preventing sleep apnoea.
42 Servicing of clinics and doctors' practices in relation to goods for medical and therapeutic purposes, in particular gases; technical and medical consultancy, in particular in the field of supplying clinics; consultancy in connection with medical and technical medical supply of gas to humans and for anaesthesia; consultancy in connection with using gases; engineering services, consultancy and surveying, the aforesaid services relating to the supply of gases used in medical applications, conducting studies, calculations, investigations and analysis in the field of medical and technical medical supply, all the aforesaid services relating to the supply of gases.