ANSI/UL 60079-15-2013 Standard for Safety for Explosive Atmospheres - Part 15: Equipment Protection by Type of Protection n (Proposal ballot dated 12/16/11)
2013ANSI/UL 60079-15-2013 Standard for Safety for Explosive Atmospheres - Part 15: Equipment Protection by Type of Protection n (Proposal ballot dated 12/16/11)