
Respiratory protective devices - Vocabulary and graphical symbols
出版:Netherlands Standards

专家解读视频
NEN-EN-ISO 16972 defines terms and specifies units of measurement for respiratory protective devices (RPDs), excluding diving apparatus.
ISO 16972:2020 - Identical
EN ISO 16972:2020 - Identical
EN ISO 16972:2020 - Identical
ISO 16972:2020 - Identical