TitleRecommendation No. 20, Codes for units of measure used in international trade / submitted by the Codes Working Group (CDWG)
AccessEnglish:[E_ECE_]TRADE_CEFACT_2001_20-EN - PDF ; Français:[E_ECE_]TRADE_CEFACT_2001_20-FR - PDF ; Русский:[E_ECE_]TRADE_CEFACT_2001_20-RU - PDF ;