
High-strength Structural Bolting Assemblies For Preloading - Part 9: System Hr Or Hv - Bolt And Nut Assemblies With Direct Tension Indicators
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
High-strength Structural Bolting Assemblies For Preloading - Part 9: System Hr Or Hv - Bolt And Nut Assemblies With Direct Tension Indicators
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频