
Equipment And Vessels - Allowable Working Pressure -1,0 Bar To +0,5 Bar - Technical Delivery Conditions
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Equipment And Vessels - Allowable Working Pressure -1,0 Bar To +0,5 Bar - Technical Delivery Conditions
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频