
SPECIFICATION AND QUALIFICATION OF WELDING PROCEDURES FOR METALLIC MATERIALS - QUALIFICATION BY ADOPTION OF A STANDARD WELDING PROCEDURE
出版:Swiss Standards

专家解读视频
ISO 15612 : 2004 - Identical
EN ISO 15612 :2018 - Identical
EN ISO 15612 : 2004 - Identical
EN ISO 15612 :2018 - Identical
ISO 15612 : 2004 - Identical
EN ISO 15612 : 2004 - Identical