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 examination - Part 4: Examination for discontinuities perpendicular to the surface; German version EN 583-4:2002— 19 стр.
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 2: Probes; German version EN 12668-2:2001/A1:2004— 5 стр.
Non-destructive testing - Characterization and verification of ultrasonic examination equipment - Part 3: Combined equipment; German version EN 12668-3:2000/A1:2004— 5 стр.