UL-393 Complete Document History
Standard for Indicating Pressure Gauges for Fire-Protection Service

Complete Current Edition:
   8TH EDITION - INDICATING PRESSURE GAUGES FOR FIRE-PROTECTING SERVICE - March 17, 2005
   CHANGE 03/09 - REVISION CHANGE - CODE D - March 31, 2009

Obsolete Revision Information:
   7TH EDITION - INDICATING PRESSURE GAUGES FOR - June 28, 1996
   CHANGE 12/91 - REVISION CHANGE - CODE I - Dec. 4, 1991
   1991 EDITION - INDICATING PRESSURE GAUGES FOR - Jan. 21, 1991