DIN EN 10305-4-2016 精密装置用钢管.交货技术条件.第4部分:液压和气动系统用无缝冷拉管.德文版本EN 10305-4-2016
Steel tubes for precision applications - Technical delivery conditions - Part 4: Seamless cold drawn tubes for hydraulic and pneumatic power systems; German version EN 10305-4:2016