GB/T 37609-2019耐蚀合金焊带和焊丝通用技术条件国家标准
英文:General technical requirements of corrosion-resistant alloy strips and wires for welding GB/T 37609-2019介绍: 国家标准《耐蚀合金...
英文:General technical requirements of corrosion-resistant alloy strips and wires for welding GB/T 37609-2019介绍: 国家标准《耐蚀合金...