ISO 2504:1973废止
Radiography of welds and viewing conditions for films - Utilization of recommended patterns of image quality indicators (I.Q.I.)
出版：International Organization for Standardization
专家解读视频
Gives conditions for using of recommended patterns of image quality indicators for eradiography of welds and viewing conditions for films.
UNE 14602:1979 - Identical
BS 2600-2:1973 - Similar
DIN 54109-2 (1989-07) - Similar
NBN F 51 002:1980 - Identical
SS 11 41 30:1979 - Similar
GB/T 19938-2005 - Identical
KS B ISO 2504:2002 - Identical
KS B ISO 2504:2013 - Identical
