
DESTRUCTIVE TESTS ON WELDS IN METALLIC MATERIALS - MACROSCOPIC AND MICROSCOPIC EXAMINATION OF WELDS (ISO 17639:2003)
出版:Comite Europeen de Normalisation

专家解读视频
DESTRUCTIVE TESTS ON WELDS IN METALLIC MATERIALS - MACROSCOPIC AND MICROSCOPIC EXAMINATION OF WELDS (ISO 17639:2003)
出版:Comite Europeen de Normalisation
专家解读视频