I.S. EN 1972:2015现行
Diving Equipment - Snorkels - Safety Requirements and Test Methods
出版：National Standards Authority of Ireland
专家解读视频
Describes safety requirements in order to increase the safety in the use of snorkels for swimwear and drivers.
UNE EN 1972:2016 - Identical
NF EN 1972:2016 - Identical
ONORM EN 1972:2016 - Identical
EN 1972:2015 - Identical
BS EN 1972:2015 - Identical
SS EN 1972 Ed. 2 (2015) - Identical
NBN EN 1972:2016 - Identical
SN EN 1972:2016 - Identical
NEN EN 1972:2015 - Identical
NS EN 1972:2015 - Identical
