Non-destructive testing - Characterization and verification of ultrasonic examination equipment - Part 1: Instruments; German version EN 12668-1:2000/A1:2004— 5 стр.
Non-destructive testing - Characterization and verification of ultrasonic examination equipment - Part 1: Instruments; German version EN 12668-1:2000— 28 стр.
Non-destructive testing of welded joints in thermoplastics semi-finished products - Part 3: Ultrasonic testing; German version EN 13100-3:2004— 18 стр.
Non-destructive testing - Ultrasonic testing of austenitic and austenitic-ferritic stainless steels flat products of thickness equal to or greater than 6 mm (reflection method); German version EN 10307:2001— 17 стр.