GB/T 41747-2022结构级和高强度连续热镀锌双辊铸轧薄钢板及钢带国家标准
英文:Continuous hot-dip zinc-coated twin-roll cast steel sheet and strip of structural quality and high strength steel GB/...
英文:Continuous hot-dip zinc-coated twin-roll cast steel sheet and strip of structural quality and high strength steel GB/...