
WELDED STEEL TUBES FOR PRESSURE PURPOSES - TECHNICAL DELIVERY CONDITIONS - PART 4: ELECTRIC WELDED NON-ALLOY STEEL TUBES WITH SPECIFIED LOW TEMPERATURE PROPERTIES
出版:Comite Europeen de Normalisation

专家解读视频
WELDED STEEL TUBES FOR PRESSURE PURPOSES - TECHNICAL DELIVERY CONDITIONS - PART 4: ELECTRIC WELDED NON-ALLOY STEEL TUBES WITH SPECIFIED LOW TEMPERATURE PROPERTIES
出版:Comite Europeen de Normalisation
专家解读视频