
HOT ROLLED FLAT STEEL BARS AND STEEL WIDE FLATS FOR GENERAL PURPOSES - DIMENSIONS AND TOLERANCES ON SHAPE AND DIMENSIONS
出版:Comite Europeen de Normalisation

专家解读视频
HOT ROLLED FLAT STEEL BARS AND STEEL WIDE FLATS FOR GENERAL PURPOSES - DIMENSIONS AND TOLERANCES ON SHAPE AND DIMENSIONS
出版:Comite Europeen de Normalisation
专家解读视频