Present status and recent progress on measures for the control of water pollution and damage to land from the operation of coal preparation plants : reply to the questionnaire / transmitted by the Government of Belgium.
1982
详细记录
符号[E/ECE/]COAL/GE.3/R.53/Add.2
标题Present status and recent progress on measures for the control of water pollution and damage to land from the operation of coal preparation plants : reply to the questionnaire / transmitted by the Government of Belgium.
作者Belgium
日期Geneva : UN, 19 Feb. 1982.
描述
2 p.