UL-680 › Standard for Emergency Vault Ventilators and Vault-Ventilating Ports
Included in this current edition are the following subparts:
8TH EDITION - Nov. 26, 2002
CHANGE 09/04 - Sept. 24, 2004
CHANGE 03/06 - March 29, 2006
CHANGE 06/09 - June 25, 2009
CHANGE 01/14 - Jan. 31, 2014
CHANGE 07/18 - July 20, 2018
CHANGE 09/04 - Sept. 24, 2004
CHANGE 03/06 - March 29, 2006
CHANGE 06/09 - June 25, 2009
CHANGE 01/14 - Jan. 31, 2014
CHANGE 07/18 - July 20, 2018
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Document Number
UL-680
Revision Level
8TH EDITION
Status
Current
Publication Date
Nov. 26, 2002