
HOT ROLLED PRODUCTS OF STRUCTURAL STEELS - PART 4: TECHNICAL DELIVERY CONDITIONS FOR THERMOMECHANICAL ROLLED WELDABLE FINE GRAIN STRUCTURAL STEELS
出版:Comite Europeen de Normalisation

專家解讀視頻
HOT ROLLED PRODUCTS OF STRUCTURAL STEELS - PART 4: TECHNICAL DELIVERY CONDITIONS FOR THERMOMECHANICAL ROLLED WELDABLE FINE GRAIN STRUCTURAL STEELS
出版:Comite Europeen de Normalisation
專家解讀視頻