
FLAT PRODUCTS MADE OF STEELS FOR PRESSURE PURPOSES - PART 6: WELDABLE FINE GRAIN STEELS, QUENCHED AND TEMPERED
出版:Comite Europeen de Normalisation

專家解讀視頻
FLAT PRODUCTS MADE OF STEELS FOR PRESSURE PURPOSES - PART 6: WELDABLE FINE GRAIN STEELS, QUENCHED AND TEMPERED
出版:Comite Europeen de Normalisation
專家解讀視頻