GB/T 5094.2-2003 Industrial systems,installations and equipment and industrial products-Structuring principles and reference designations Part 2: Classification of objects and codes for classes (English Version)
This part of GB/T 5094 specifies the classification of items and the letter codes indicating the category of items in the reference code. The classification table is applicable to items in all technical fields, and can be used at any position in the tree structure established in accordance with GB/T 5094.1.
GB/T 5094.2-2003 history
2018GB/T 5094.2-2018 Industrial systems, installations and equipment and industrial products.Structuring principles and reference designations.Part 2:Classification of objects and codes for classes
2003GB/T 5094.2-2003 Industrial systems,installations and equipment and industrial products-Structuring principles and reference designations Part 2: Classification of objects and codes for classes