MESSER

Gases and gas mixtures, namely, [ acetylene, ] argon, carbon dioxide, oxygen, nitrogen, hydrogen, ferroline, inoxline, aluline, helium, neon, krypton, *and* xenon, [ methane, ethane, butane not for use as fuel, ethylene, propane not for use as fuel, propylene, hydrocarbon gases, ammonia not for cleaning purposes, chlorine, hydrogen chloride, nitrogen oxide, sulphur dioxide, sulphur hexafluoride, hydrogen sulphide, carbon monoxide, refrigerant gas for use in industrial cooling systems, and nitrous oxide for industrial use, ] including all of the aforesaid in liquefied and dissolved form and mixtures thereof