GB/T 20887.5-2022汽车用高强度热连轧钢板及钢带第5部分:马氏体钢国家标准
英文:Continuously hot rolled high strength steel sheet and strip for automobile—Part 5: Martensitic steel GB/T 20887.5-202...
英文:Continuously hot rolled high strength steel sheet and strip for automobile—Part 5: Martensitic steel GB/T 20887.5-202...