1
Gases, gas mixtures, chemicals in liquid, gaseous or vaporous state, all included in class 1; Gases for industrial and commercial purposes all included in class 1; chemical preparations, gases and substances included in class 1, all for use in the welding, cutting, brazing, glass blowing, soldering, shielding, thermal insulation and thermic treatment of materials; Gases in class 1 including nitrogen, hydrogen, helium, nitrogen oxides, nitrous oxides, oxides, oxygen, argon, propane, acetylene, acetylene tetrachloride; dry ice (carbon dioxide)
39
Distribution of gas; Filling of gas bottles; Filling of gas tanks; Gas distribution services; Gas storage services; Gas supplying [distribution]; Refilling of gas tanks; Storage of gas
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