DIN EN ISO 21856 [Withdrawn] referenced in following documents:
| Document number | Edition | Title |
|---|---|---|
| DIN EN ISO 9999 | 2022-10 | Assistive products - Classification and terminology (ISO 9999:2022); German version EN ISO 9999:2022 More |
| Document number | Edition | Title |
|---|---|---|
| DIN EN ISO 9999 | 2022-10 | Assistive products - Classification and terminology (ISO 9999:2022); German version EN ISO 9999:2022 More |