Standard test method for determining the focal size of iridium - 192 industrial radiographic sources 测定铱192工业x射线源的聚焦尺寸的标准试验方法
2.
Non - destructive testing - determination of the size of industrial radiographic sources - radiographic method 无损检.工业放射照相源尺寸的测定.放射照相法
3.
Non destructive testing - determination of the size of industrial radiographic sources - radiographic method 无损检验.工业射线照相源尺寸的测定.射线照相法
4.
Non - destructive testing - determination of the size of industrial radiographic sources - radiographic method ; german version en 12679 : 1999 无损检验.工业x射线照像源尺寸的测定. x射线照像法