GB/T 17645.42-2013 Industrial automation systems and integrated parts libraries - Part 42: Descriptive methodology: Methodology for constructing part families (English Version)
2014GB/T 17645.42-2013 Industrial automation systems and integrated parts libraries - Part 42: Descriptive methodology: Methodology for constructing part families
2001GB/T 17645.42-2001 Industrial automation systems and integration Parts library Part 42: Description methodology: Methodology for structuring parts families