
High-Strength Structural Bolting Assemblies For Preloading - Part 9: System Hr Or Hv - Direct Tension Indicators For Bolt And Nut Assemblies
出版:Asociacion Espanola de Normalizacion

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:Asociacion Espanola de Normalizacion
专家解读视频