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.
Non-destructive testing - Image quality of radiographs - Part 4: Experimental evaluation of image quality values and image quality tables; German version EN 462-4:1994— 6 стр.
Welding personnel - Approval testing of welding operators for fusion welding and resistance weld setters for fully mechanized and automatic welding of metallic materials; German version EN 1418:1997— 10 стр.
Gas welding equipment - Blowpipes for gas welding, heating and cutting - Specifications and tests (ISO 5172:2006); German version EN ISO 5172:2006— 54 стр.