ISO-7215 Complete Document History
Iron ores for blast furnace feedstocks - Determination of the reducibility by the final degree of reduction index

Complete Current Edition:
   4TH EDITION - Determination of the reducibility by the final degree of red - Aug. 15, 2015

Obsolete Revision Information:
   3RD EDITION - Determination of the reducibility by the final degree of red - Oct. 15, 2007
   2ND EDITION - Determination of the reducibility by the final degree of red - Nov. 15, 1995
   1ST EDITION - Determination of the reducibility by the final degree of red - Aug. 15, 1985