GB/T 38589-2020耐蚀合金棒材、盘条及丝材通用技术条件标准
英文:General technical requirements of corrosion-resistant alloy bars,wire rods and wires GB/T 38589-2020介绍: 国家标准《耐蚀合金棒材、盘...
英文:General technical requirements of corrosion-resistant alloy bars,wire rods and wires GB/T 38589-2020介绍: 国家标准《耐蚀合金棒材、盘...