EN ISO 24504:2016现行
Ergonomics - Accessible Design - Sound Pressure Levels Of Spoken Announcements For Products And Public Address Systems (Iso 24504:2014)
出版：Comite Europeen de Normalisation
专家解读视频
2016 [01/06/2016]
NF EN ISO 24504:2016 - Identical
BS EN ISO 24504:2016 - Identical
NEN EN ISO 24504:2016 - Identical
SS EN ISO 24504 Ed. 1 (2016) - Identical
I.S. EN ISO 24504:2016 - Identical
DS EN ISO 24504:2016 - Identical
NBN EN ISO 24504:2016 - Identical
ONORM EN ISO 24504:2016 - Identical
SN EN ISO 24504:2016 - Identical
DIN EN ISO 24504 (2016-12) - Identical
ONORM EN ISO 24504:2017 - Identical
