Historical
IEC/TR 61346-3 Ed. 1.0 b:2001
Industrial systems, installations and equipment and industrial products - Structuring principles and reference designations - Part 3: Application guidelines
This part of IEC 61346 provides guidelines and examples about the structuring of information for technical objects and the selection of appropriate letter codes for reference designations.
Content Provider
International Electrotechnical Commission [iec]