
NON-DESTRUCTIVE TESTING OF WELDS - RADIOGRAPHIC TESTING - PART 1: X- AND GAMMA-RAY TECHNIQUES WITH FILM (ISO 17636-1:2013)
出版:Comite Europeen de Normalisation

专家解读视频
NON-DESTRUCTIVE TESTING OF WELDS - RADIOGRAPHIC TESTING - PART 1: X- AND GAMMA-RAY TECHNIQUES WITH FILM (ISO 17636-1:2013)
出版:Comite Europeen de Normalisation
专家解读视频