- Dialogue units (ISO 22.21.09)
- Assistive products for face-to-face communication (ISO 22.21)
- Manufacturer: AbleNet, Inc.
- Insert date: 30/12/2007
- Latest update: 11/05/2021
- Source database: Rehadat (DE)
Based on expert resources provided by the following Organisations:
Also with the help of the EASTIN Associate Partners and National Contact Organizations from many countries across the world.