南京化学2026年低温容器用钢板(化机嘉)1019中国石化集团南京化学工业有限公司低温容器用钢板\δ=34mm 09MnNiDR GB/T 713.3低温容器用钢板\δ=28mm 09MnNiDR GB/T 713.3低温容器用钢板\δ=10mm 09MnNiDR GB/T 713.3低温容器用钢板\δ=16mm 09MnNiDR GB/T 713.3低温容器用钢板\δ=12mm 09MnNiDR GB/T 713.3低温容器用钢板\δ=24mm 09MnNiDR GB/T 713.3低温容器用钢板\δ=14mm 09MnNiDR GB/T 713.3
2026-10-20