NF S71-609-3*NF EN 13138-3:2021 Buoyant aids for swimming instruction - Part 3 : safety requirements and test methods for swim seats into which a user is positioned
2021NF S71-609-3*NF EN 13138-3:2021 Buoyant aids for swimming instruction - Part 3 : safety requirements and test methods for swim seats into which a user is positioned