
HOT ROLLED FLAT PRODUCTS MADE OF HIGH YIELD STRENGTH STEELS FOR COLD FORMING - PART 1: GENERAL DELIVERY CONDITIONS
出版:Comite Europeen de Normalisation

专家解读视频
HOT ROLLED FLAT PRODUCTS MADE OF HIGH YIELD STRENGTH STEELS FOR COLD FORMING - PART 1: GENERAL DELIVERY CONDITIONS
出版:Comite Europeen de Normalisation
专家解读视频