
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

專家解讀視頻
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
專家解讀視頻