DS EN 50064:1994
DS EN 50064:1994 Wrought Aluminium And Aluminium Alloy Enclosures For Gas-Filled High-Voltage Switchgear And Controlgear Pertains to fusion welded wrought aluminium and aluminium alloy enclosures pressurized with dry air, inert gases, for example sulphur hexafluoride or nitrogen or a mixture of such gases, used in indoo