DIN ISO/TS 81346-3:2013 Industrial systems, installations and equipment and industrial products - Structuring principles and reference designations - Part 3: Application rules for a reference designation system (ISO/TS 81346-3:2012)
2013DIN ISO/TS 81346-3:2013 Industrial systems, installations and equipment and industrial products - Structuring principles and reference designations - Part 3: Application rules for a reference designation system (ISO/TS 81346-3:2012)