
High-Strength Structural Bolting Assemblies For Preloading - Part 9: System Hr Or Hv - Direct Tension Indicators For Bolt And Nut Assemblies
出版:Association Francaise de Normalisation

专家解读视频
High-Strength Structural Bolting Assemblies For Preloading - Part 9: System Hr Or Hv - Direct Tension Indicators For Bolt And Nut Assemblies
出版:Association Francaise de Normalisation
专家解读视频