EN 1418:1997 Welding Personnel - Approval Testing of Welding Operators for Fusion Welding and Resistance Weld Setters for Fully Mechanized and Automatic Welding of Metallic Materials
EN ISO 9000:2000 Quality management systems - Fundamentals and vocabulary ISO 9000: 2000; Supersedes EN ISO 8402: 1995
ISO 2553:1992 Welded, brazed and soldered joints; symbolic representation on drawings