GB/T 38681-2020工业炉用耐蚀合金无缝管标准
英文:Seamless corrosion resistant alloy pipes and tubes for industrial furnace GB/T 38681-2020介绍: 国家标准《工业炉用耐蚀合金无缝管》由TC183(...
英文:Seamless corrosion resistant alloy pipes and tubes for industrial furnace GB/T 38681-2020介绍: 国家标准《工业炉用耐蚀合金无缝管》由TC183(...