I.S. EN ISO 14731:2019现行
Welding coordination - Tasks and responsibilities (ISO 14731:2019)
出版：National Standards Authority of Ireland
专家解读视频
This document identifies the essential welding quality related tasks and responsibilities included in welding coordination.
EN ISO 14731 : 2019 - Identical
ISO 14731:2019 - Identical
EN ISO 14731 : 2006 - Identical
ISO 14731:2019 - Identical
EN ISO 14731 : 2019 - Identical
EN ISO 14731 : 2006 - Identical
