Anaesthetic and respiratory equipment - Peak expiratory flow meters for the assessment of pulmonary function in spontaneously breathing humans (ISO 23747:2015); German version EN ISO 23747:2015— 40 стр.
Geometrical product specifications (GPS) - Surface texture: Areal - Part 1: Indication of surface texture (ISO 25178-1:2016); German version EN ISO 25178-1:2016— 36 стр.
Aerospace series - Spiral drive recesses for threaded fasteners - Geometrical definition and technical requirements; German and English version EN 4609:2019— 35 стр.