UL-511 Complete Document History
Porcelain Cleats, Knobs, & Tubes (Withdrawn)


Obsolete Revision Information:
   WITHDRAWN - WITHDRAWN IN 2004 - March 31, 2004
   6TH EDITION - PORCELAIN CLEATS, KNOBS, & TUB - Dec. 27, 1994
   1979 EDITION - PORCELAIN CLEATS, KNOBS, & TUB - Jan. 1, 1979