CEN/TC 211
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 9776 | EN ISO 11821:1997 | Acoustics - Measurement of the in situ sound attenuation of a removable screen (ISO 11821:1997) | Izstrādē |
| 9767 | EN ISO 11820:1996 | Acoustics - Measurements on silencers in situ (ISO 11820:1996) | Izstrādē |
| 61466 | EN ISO 11691:2020 | Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:2020) | Standarts spēkā |
| 32585 | EN ISO 11691:2009 | Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:1995) | Atcelts |
| 9766 | EN ISO 11691:1995 | Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:1995) | Atcelts |
| 9774 | EN ISO 11690-3:1998 | Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 3: Sound propagation and noise prediction in workrooms (ISO/TR 11690-3:1997) | Izstrādē |
| 68414 | EN ISO 11690-2:2020 | Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 2: Noise control measures (ISO 11690-2:2020) | Izstrādē |
| 9753 | EN ISO 11690-2:1996 | Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 2: Noise control measures (ISO 11690-2:1996) | Atcelts |
| 68413 | EN ISO 11690-1:2020 | Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 1: Noise control strategies (ISO 11690-1:2020) | Izstrādē |
| 9752 | EN ISO 11690-1:1996 | Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 1: Noise control strategies (ISO 11690-1:1996) | Atcelts |
Displaying 351-360 of 427 results.