Bombola gazi - Filetot konike 17E dhe 25E për bashkimin e valvolave me bombolat e gazit - Pjesa 1:Specifikimet – Shtojca 1 (ISO 11363-1:2018/Amd 1:2023)
Gas cylinders - 17E and 25E taper threads for connection of valves to gas cylinders - Part 1: Specifications - Amendment 1 (ISO 11363-1:2018/Amd 1:2023)