50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks Oct 24, 2024
CEN
CEN/TC 430 Nuclear energy, nuclear technologies, and radiological protection
European Norm
13.280 Radiation protection
Draft
PUBLISHED
EN ISO 20553:2017
IN_DEVELOPMENT
FprEN ISO 20553
50.20
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Oct 24, 2024