
STEEL - CONVERSION OF ELONGATION VALUES - PART 1 - CARBON AND LOW ALLOY STEELS (ISO 2566-1:1984)
出版:Comite Europeen de Normalisation

专家解读视频
STEEL - CONVERSION OF ELONGATION VALUES - PART 1 - CARBON AND LOW ALLOY STEELS (ISO 2566-1:1984)
出版:Comite Europeen de Normalisation
专家解读视频