ISO/TC 145 Graphische Symbole,
ISO/TC 145 Graphical symbols,
ISO/TC 145 Symboles graphiques et pictogrammes,
ISO Internationale Organisation für Normung,
ISO International Organization for Standardization,
ISO Organisation Internationale de Normalisation,
IEC Internationale Elektrotechnische Kommission,
IEC International Electrotechnical Commission,
CEI Commission Electrotechnique Internationale