SS EN ISO 15612 : 2018现行
Specification and qualification of welding procedures for metallic materials - Qualification by adoption of a standard welding procedure (ISO 15612:2018)
出版：Standardiserings-Kommissionen I Sverige
专家解读视频
ISO 15612:2018 - Identical
EN ISO 15612 : 2004 - Identical
EN ISO 15612 :2018 - Identical
EN ISO 15612 : 2004 - Identical
EN ISO 15612 :2018 - Identical
ISO 15612:2018 - Identical
