DIN EN ISO 4918:2020 Resilient, textile and laminate floor coverings - Castor chair test (ISO 4918:2016); German and English version prEN ISO 4918:2020
2021DIN EN ISO 4918:2021 Resilient, textile and laminate floor coverings - Castor chair test (ISO 4918:2016, including Amd 1:20); German version EN ISO 4918:2021
2020DIN EN ISO 4918:2020 Resilient, textile and laminate floor coverings - Castor chair test (ISO 4918:2016); German and English version prEN ISO 4918:2020
2002DIN EN 425:2002 Resilient and laminate floor coverings - Castor chair test; German version EN 425:2002