همکاری در تدوین استاندارد آقای مهندس حمید عزیزی قاسم آبادی

mf6K8l4 ISO 1089 : Electrode taper fits for spot welding equipment-dimensions

mf6K8l4 ISO 6520-1 : Welding and allied processes —Classification of geometric imperfections in metallic materials — Part 1: Fusion welding

mf6K8l4 ISO 6520-2 :Welding and allied processes—Classification of geometric imperfections in metallic materials — Part 2: Welding with pressure

mf6K8l4 ISO 10721-2 : Steel structures —Part 2: Fabrication and erection

mf6K8l4 ISO23814 : Cranes — Competency requirements for crane inspectors 

mf6K8l4 ISO 17845 : Welding and allied processes — Designation system for imperfections

mf6K8l4 ISO 23814 : Cranes — Competency requirements for crane inspectors