
Structuring Principles For Technical Products And Technical Product Documentation - Letter Codes - Main Classes And Subclasses Of Objects According To Their Purpose And Task
出版:Nederlands Normalisatie Instituut

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Extends the letter codes of the main classes for purposes or tasks of objects in accordance with IEC 61346-2. Applies to all disciplines, such as construction, process and electrical engineering, and for standards, for example, for power generation, power distribution, process engineering facilities, naval architecture and ocean engineering.
IEC/PAS 62400 Ed. 1.0 - Identical