标题: BS EN 755-8 2016 Aluminium and aluminium alloys - Extruded rod/bar, tube and pro [打印本页] 作者: asnt2012 时间: 2018-8-9 17:31:22 标题: BS EN 755-8 2016 Aluminium and aluminium alloys - Extruded rod/bar, tube and pro
BS EN 755-8 2016 Aluminium and aluminium alloys - Extruded rod/bar, tube and profiles - Part 8: Porthole tubes, tolerances on dimensions and form作者: admin 时间: 2018-8-10 18:16:00