
Steel Tubes - Seamless Plain-end Tubes In Unalloyed Steels For Fluid Piping At Elevated Temperatures - Dimensions - Technical Delivery Conditions
出版:Association Francaise de Normalisation

专家解读视频
Steel Tubes - Seamless Plain-end Tubes In Unalloyed Steels For Fluid Piping At Elevated Temperatures - Dimensions - Technical Delivery Conditions
出版:Association Francaise de Normalisation
专家解读视频