Design of graphical symbols for use in the technical documentation of products - Part 3: Classification of connect nodes, networks and their encoding— 17 стр.
Industrial systems, installations and equipment and industrial products -- Structuring principles and reference designations -- Part 3: Application rules for a reference designation system— 56 стр.
Industrial systems, installations and equipment and industrial products - Structuring principles and reference designations - Part 2: Classification of objects and codes for classes— 84 стр.