Der Zwanzigerrahmen
- Assistive products for training and supporting the basics of arithmetic (ISO 22.15.12)
- Assistive products for calculation and training basic arithmetic (ISO 22.15)
- Manufacturer: Westermann GmbH & Co. KG
- Insert date: 30/12/1999
- Latest update: 13/03/2024
- Source database: REHADAT (DE)
Links to further product details:
- Original document: REHADAT (DE)