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

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