DIN EN ISO 21061:2022-03 Footwear - Chemical tests - General principles on the preparation of samples (ISO 21061:2021); German version EN ISO 21061:2021
2022DIN EN ISO 21061:2022-03 Footwear - Chemical tests - General principles on the preparation of samples (ISO 21061:2021); German version EN ISO 21061:2021
2022DIN EN ISO 21061:2022 Footwear – Chemical testing – General principles for sample preparation (ISO 21061:2021); German version EN ISO 21061:2021
2020DIN EN ISO 21061:2020 Footwear - Chemical tests - General principles on the preparation of samples (ISO/DIS 21061:2020); German and English version prEN ISO 21061:2020