Identification of equipment terminals and of terminations of certain designated conductors, including general rules of an alphanumeric system (IEC 60445:1988); german version EN 60445:1990
Graphical symbols; general principles for the creation of graphical symbols; graphical symbols for use in technical product documentation; identical with ISO 3461-2, edition 1987— 6 стр.
Structuring principles for technical products and technical product documentation - Part 2: Letter codes - Main classes and subclasses of objects according to their purpose or task— 59 стр.
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.