
Buoyant aids for swimming instruction Part 1: Safety requirements and test methods for buoyant aids to be worn
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
UNE EN 13138-1:2015 - Identical
PREN 13138-1:2012 - Identical
NEN EN 13138-1:2014 - Identical
NF EN 13138-1:2014 - Identical