DS/EN IEC 81346-2:2019现行
Industrial systems, installations and equipment and industrial products – Structuring principles and reference designations – Part 2: Classification of objects and codes for classes
出版：Danish Standards
专家解读视频
This part of International Standard 81346, published jointly by IEC and ISO establishes classification schemes with defined object classes and their associated letter codes primarily intended for use in reference designations and for designation of generic types.
EN IEC 81346-2:2019 - Identical
IEC 81346-2 : 2019 - Identical
EN IEC 81346-2:2019 - Identical
IEC 81346-2 : 2019 - Identical
