Paints and varnishes - Evaluation of defects on coated surfaces using optical imaging - Part 1: General guidance (ISO 21227-1:2003); German version EN ISO 21227-1:2003— 14 стр.
Evaluation and routine testing in medical imaging departments - Part 3-3: Acceptance tests; Imaging performance of X-ray equipment for digital subtraction angiography (IEC 61223-3-3:1996); German version EN 61223-3-3:1996— 18 стр.