Preparation of an industrial classification of medium-rank coals / transmitted by the Government of Turkey.
1982
详细记录
符号[E/ECE/]COAL/GE.3/R.49/Add.14/Rev.1
标题Preparation of an industrial classification of medium-rank coals / transmitted by the Government of Turkey.
作者Turkey
日期Geneva : UN, 7 May 1982.
描述
4 p.