GB/T 41982-2022电站用高合金耐热钢厚壁管道和锻件通用技术条件国家标准
英文:High alloy heat-resisting steel thick wall pipes and forgings used for power station—General specification GB/T 41982...
英文:High alloy heat-resisting steel thick wall pipes and forgings used for power station—General specification GB/T 41982...