GB/T 20564.11-2017汽车用高强度冷连轧钢板及钢带第11部分:碳锰钢国家标准
英文:Continuously cold rolled high strength steel sheet and strip for automobile—Part 11:Carbon manganese steel GB/T 20564...
英文:Continuously cold rolled high strength steel sheet and strip for automobile—Part 11:Carbon manganese steel GB/T 20564...