Industrial systems, installations and equipment and industrial products - Structuring principles and reference designations - Part 1: Basic rules (IEC 61346-1:1996); German version EN 61346-1:1996— 37 стр.
Industrial systems, installations and equipment and industrial products - Structuring principles and reference designations - Part 2: Classification of objects and codes for classes (IEC 61346-2:2000); German version EN 61346-2:2000— 20 стр.
Terms for railway vehicle parts; terms and numbering plan of assemblies of the structural and mechanical components and technical data of railway vehicles