ISO-7992 Complete Document History
Iron ores for blast furnace feedstocks - Determination of reduction under load

Complete Current Edition:
   4TH EDITION - Determination of reduction under load - May 1, 2022

Obsolete Revision Information:
   3RD EDITION - Iron ores for blast furnace feedstocks - Determination of reduction under load - Aug. 1, 2015
   2ND EDITION - IRON ORES FOR BLAST FURNACE FEEDSTOCKS - DETERMINATION OF RE - Oct. 15, 2007
   1ST EDITION - IRON ORES - DETERMINATION OF R - Aug. 15, 1992