QB/T 2556-2002.Design standard in cast iron dryers used in paper machinery. 1范围 QB/T 2556规定了造纸机械用铸铁烘...
QB/T 2556-2008 造纸机械用铸铁烘缸设计规定
QB/T 2556-2008.Design standard in cast iron dryers used in paper machinery. 1范围 QB/T 2556规定了造纸机械用铸铁烘...