International co-operation for development and promotion of cleaner production / submitted by the United Nations Environment Programme (UNEP) ; prepared by P. Winkel.
1989
详细记录
符号[E/ECE/]ENVWA/SEM.3/R.21
标题International co-operation for development and promotion of cleaner production / submitted by the United Nations Environment Programme (UNEP) ; prepared by P. Winkel.
日期Geneva : UN, 3 Aug. 1989.
描述
9 p.