Labelling and hazard communication systems : specification of colours for class labels / transmitted by the observer from New Zealand.
1996
详细记录
符号ST/SG/AC.10/C.3/R.782
标题Labelling and hazard communication systems : specification of colours for class labels / transmitted by the observer from New Zealand.
日期Geneva : UN, 3 May 1996.
描述
3 p.