Development of optimum technological flow sheets for line production at opencast workings / transmitted by the Government of Hungary.
1981
详细记录
符号[E/ECE/]COAL/GE.5/R.6/Add.2
标题Development of optimum technological flow sheets for line production at opencast workings / transmitted by the Government of Hungary.
作者Hungary
日期Geneva : UN, 30 Oct. 1981.
描述
3 p.