DIN EN ISO 11699-2:2018
无损检测 工业射线照相胶片 第2部分:通过参考值控制胶片加工(ISO 11699-2:2018);德文版 EN ISO 11699-2:2018
Non-destructive testing - Industrial radiographic films - Part 2: Control of film processing by means of reference values (ISO 11699-2:2018); German version EN ISO 11699-2:2018