PPP-P-420 › Complete Document History
Plugs & Flanges (for Drum Closures)


Obsolete Revision Information:
   REV B CANCELLATION 1 - CANCELLATION NOTICE 1, REV B - Dec. 12, 1994
   REV B AMENDMENT 2 - AMENDMENT 2 FOR REVISION B - April 8, 1974
   REVISION B - PLUGS & FLANGES (FOR DRUM CLOS - Aug. 15, 1972