GB/T 41746-2022商品级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 commercial quality GB/T 41746-2022介绍: 国家标准《商品级...
英文:Continuous hot-dip zinc-coated twin-roll cast steel sheet and strip of commercial quality GB/T 41746-2022介绍: 国家标准《商品级...