标题: BSI BS EN ISO 19232-2 [打印本页] 作者: lg.wang 时间: 2014-9-13 14:14:38 标题: BSI BS EN ISO 19232-2
BSI BS EN ISO 19232-2 Non-destructive testing — Image quality of radiographs Part 2: Determination of the image quality value using step/hole-type image quality indicators作者: sigh007 时间: 2014-9-13 14:14:39