State of railway vehicles - Terms and definitions for the reliable state of railway vehicles - Status of transposition of the technical rules for the state of railway vehicles (TRF) into DIN— 6 стр.
Non-destructive testing; general principles for the radiographic examination of metallic materials using X-rays and gamma-rays; German version EN 444:1994— 12 стр.
Non-destructive testing; image quality of radiographs; part 1: image quality indicators (wire type); determination of image quality values; German version EN 462-1:1994— 5 стр.