Salas limpias y locales anexos controlados. Parte 2: Seguimiento para proporcionar evidencias del desempeño en relación con la limpieza del aire mediante la concentración de partículas. (ISO 14644-2:2015).
Eficiencia energética y fuentes de energía renovables. Terminología internacional común. Parte 2: Fuentes de energía renovables. (ISO/IEC 13273-2:2015).
DIRECTIVE OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL amending Council Directive 80/181/EEC on the approximation of the laws of the Member States relating to units of measurement
Directive of the European Parliament and of the Council on Radio Equipment and Telecommunications Terminal Equipment and the Mutual Recognition of Their Conformity
Minimum Requirements for Improving the Safety and Health Protection of Workers Potentially at Risk from Explosive Atmospheres (15th Individual Directive within the Meaning of Article 16(1) of Directive 89/391/EEC)