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UL-680
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Complete Document History
Standard for Emergency Vault Ventilators and Vault-Ventilating Ports
How to Order
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Complete Current Edition:
8TH EDITION - EMERGENCY VAULT VENTILATORS & - Nov. 26, 2002
CHANGE 09/04 - REVISION CHANGE - CODE D - Sept. 24, 2004
CHANGE 03/06 - REVISION CHANGE - CODE D - March 29, 2006
CHANGE 06/09 - REVISION CHANGE - CODE D - June 25, 2009
CHANGE 01/14 - REVISION CHANGE - CODE D - Jan. 31, 2014
CHANGE 07/18 - REVISION CHANGE - CODE A - July 20, 2018
Obsolete Revision Information:
7TH EDITION - EMERGENCY VAULT VENTILATORS & - Jan. 1, 1996
6TH EDITION - EMERGENCY VAULT VENTILATORS & - Jan. 1, 1991