SS EN 1972 Ed. 1 (1997)被替代
Diving Accessories - Snorkels - Safety Requirements And Test Methods
出版：Standardiserings-Kommissionen I Sverige
专家解读视频
Defines safety requirements so as to increase the safety in use of snorkels by swimmers and divers. Applies to snorkels which permit users to breathe at the water surface while floating with face submerged. Not applicable to combined face masks and snorkels where the snorkel tube opens into the face mask.
NEN EN 1972:1997 - Identical
SN EN 1972:1998 - Identical
UNE EN 1972:1998 - Identical
NS EN 1972 Ed. 1 (1997) - Identical
I.S. EN 1972:1998 - Identical
UNI EN 1972:1998 - Identical
NF EN 1972:1997 - Identical
NBN EN 1972:1997 - Identical
ONORM EN 1972:1997 - Identical
DIN EN 1972 (1997-09) - Identical
BS EN 1972:1997 - Identical
EN 1972:2015 - Identical
