
STEEL TUBES FOR PRECISION APPLICATIONS - TECHNICAL DELIVERY CONDITIONS - PART 3: WELDED COLD SIZED TUBES
出版:Comite Europeen de Normalisation

专家解读视频
STEEL TUBES FOR PRECISION APPLICATIONS - TECHNICAL DELIVERY CONDITIONS - PART 3: WELDED COLD SIZED TUBES
出版:Comite Europeen de Normalisation
专家解读视频