Progress of work for the purpose of preparing a draft technical annex to a new or revised protocol on sulphur emissions : note / by the Secretariat.
1991
详细记录
符号[E/ECE/]ENVWA/WP.1/R.28
标题Progress of work for the purpose of preparing a draft technical annex to a new or revised protocol on sulphur emissions : note / by the Secretariat.
日期Geneva : UN, 23 Apr. 1991.
描述
3 p.