2021DIN EN ISO 11690-1:2021 Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 1: Noise control strategies (ISO 11690-1:2020); German version EN ISO 11690-1:2020
1970DIN EN ISO 11690-1 E:2020-09 Recommended practices for low-noise design of acoustic machine workplaces Part 1: Noise control strategies (draft)
1997DIN EN ISO 11690-1:1997 Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 1: Noise control strategies (ISO 11690-1:1996); German version EN ISO 11690-1:1996