Draft decision on International Codification System for Medium and High Rank Coals / recommended by the Sessional Committee.
1988
详细记录
符号E/ECE/(43)/L.3
标题Draft decision on International Codification System for Medium and High Rank Coals / recommended by the Sessional Committee.
日期Geneva : UN, 14 Apr. 1988.
描述
[1] p.