ASTM-B702 Complete Document History
Standard Specification for Copper-Tungsten Electrical Contact Material

Complete Current Edition:
   1993 R19 EDITION - REAPPROVED IN 2019 - Nov. 1, 2019

Obsolete Revision Information:
   1993 R15 EDITION - REAPPROVED IN 2015 - Oct. 1, 2015
   1993 R10 EDITION - REAPPROVED IN 2010 - Sept. 1, 2010
   1993 R04 EDITION - REAPPROVED IN 2004 - May 1, 2004
   1993 EDITION - Copper-Tungsten Electrical Contact Material - Aug. 15, 1993
   1993 R98 EDITION - REAPPROVED IN 1998 - Aug. 15, 1993
   1988 EDITION - Copper-Tungsten Electrical Contact Material - Aug. 26, 1988