UNE-EN 61340-4-7:2017 Electrostatics - Part 4-7: Standard test methods for specific applications - Ionization (Endorsed by Asociación Española de Normalización in April of 2017.)
2017UNE-EN 61340-4-7:2017 Electrostatics - Part 4-7: Standard test methods for specific applications - Ionization (Endorsed by Asociación Española de Normalización in April of 2017.)