Non-destructive testing - Radioscopic testing - Part 3: General principles for the radioscopic testing of metallic materials by X- and gamma rays; German version EN 13068-3:2001
Edition 2001-12

Geometrical product specifications (GPS) - Surface texture: Profile - Part 1: Indication of surface texture (ISO 21920-1:2021); German version EN ISO 21920-1:2022
Edition 2022-12

Transitions, pulses and related waveforms - Terms, definitions and algorithms (IEC 60469:2013); German version EN 60469:2013
Edition 2014-02