2022DIN EN ISO 21204:2022-01 Geometrical product specifications (GPS) - Transition specification (ISO 21204:2020); German version EN ISO 21204:2020
2020DIN EN ISO 21204:2020 Geometrical product specifications (GPS) - Transition specification (ISO 21204:2020)
2017DIN EN ISO 21204:2017 Geometrical product specifications (GPS) - Specification of defined transitions between features (ISO/DIS 21204:2017); German and English version prEN ISO 21204:2017