Present status and recent progress on measures for the control of water pollution and damage to land from the operation of coal preparation plants / transmitted by the Government of Czechoslovakia.
1982
详细记录
符号[E/ECE/]COAL/GE.3/R.53/Add.1
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 / transmitted by the Government of Czechoslovakia.
日期Geneva : UN, 21 Jan. 1982.
描述
4 p.