Registration number (WIID)Project No.TitleStatus
42002EN 50091-1-1:1996/prA1Uninterruptible power systems (UPS) - Part 1-1: General and safety requirements for UPS used in operator access areasIzstrādē
41977EN 62040-1-1:2003/corrigendum Aug. 2004Uninterruptible power systems (UPS) - Part 1-1: General and safety requirements for UPS used in operator access areasAtcelts
41977LVS EN 62040-1-1:2003/corrigendum Aug. 2004Uninterruptible power systems (UPS) - Part 1-1: General and safety requirements for UPS used in operator access areasAtcelts
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