Preparation of documents used in electrotechnology - Part 1: General requirements (IEC 61082-1:1991 + Corr. 11.93); German version EN 61082-1:1993— 75 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.
Industrial systems, installations and equipment and industrial products - Identification of terminals within a system (IEC 61666:1997); German version EN 61666:1997— 10 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.
