ASTM-F290 › Complete Document History
Standard Specification for Round Wire for Winding Electron Tube Grid Laterals

Complete Current Edition:
   1994 R20 EDITION - REAPPROVED IN 2020 - May 15, 2020

Obsolete Revision Information:
   1994 R15 EDITION - REAPPROVED IN 2015 - Oct. 1, 2015
   1994 R10 EDITION - REAPPROVED IN 2010 - Oct. 1, 2010
   1994 R05 EDITION - REAPPROVED IN 2005 - Jan. 1, 2005
   1994 EDITION - Round Wire for Winding Electron Tube Grid Laterals - Aug. 15, 1994
   1994 R99 EDITION - REAPPROVED IN 1999 - Aug. 15, 1994
   1968 R84(E2) EDITION - EDITORIAL CORRECTION - Aug. 15, 1968