Tender For corrigendum : providing of refilling of industrial gases in cylinders - helium gas purified to 99.995%; cubic meter,refilling of industrial gases in cylinders - co2 gas (ultra high pure) 99.99%; kilogram (kg),refilling of industrial gases in cylinders - oxygen; cubic meter,refilling of industrial gases in cylinders - nitrogen gas; cubic meter,refilling of industrial gases in cylinders - helium plus hydrogen; cubic meter,refilling of industrial gases in cylinders - helium plus carbon dioxide; cubic meter,refilling of industrial gases in cylinders - hydrogen gas; cubic meter,refilling of industrial gases in cylinders - carbon monoxide; cubic meter,refilling of industrial gases in cylinders - sulphur dioxide; cubic meter,refilling of industrial gases in cylinders - hydrogen balance nitrogen; cubic meter,refilling of industrial gases in cylinders - argon gas high pure; cubic meter,refilling of industrial gases in cylinders - oxygen i; cubic meter,refilling of industrial gases in cylinders - co2 plus he; cubic meter,refilling of industrial