ISO 25239-5:2020 EN dcdd03ea
Friction stir welding — Aluminium — Part 5: Quality and inspection requirements
现行
发布日期 :
2020-07-01
实施日期 :
ISO 14373:2024 EN 3b42f76d
Resistance welding — Procedure for spot welding of uncoated and coated low-carbon steels
现行
发布日期 :
2024-01-22
实施日期 :