DIN EN IEC 81346-2:2020 Industrial systems, plants and equipment and industrial products – Structuring principles and reference marking – Part 2: Classification of objects and class identifiers (IEC 81346 2:2019); German version EN IEC 81346 2:2019
2020DIN EN IEC 81346-2:2020-10 Industrial systems, installations and equipment and industrial products - Structuring principles and reference designations - Part 2: Classification of objects and codes for classes (IEC 81346-2:2019); German version EN IEC 81346-2:2019 / Note: DIN EN ...
2019DIN EN IEC 81346-2:2020 Industrial systems, plants and equipment and industrial products – Structuring principles and reference marking – Part 2: Classification of objects and class identifiers (IEC 81346 2:2019); German version EN IEC 81346 2:2019