ANSI/UL 60079-11a-2013 Standard for Safety for Explosive Atmospheres - Part 11: Equipment Protection by Intrinsic Safety i (Proposal Ballot dated 01-18-13)
2013ANSI/UL 60079-11a-2013 Standard for Safety for Explosive Atmospheres - Part 11: Equipment Protection by Intrinsic Safety i (Proposal Ballot dated 01-18-13)