Comparative analysis of working time at mechanized coal faces / transmitted by the Government of France.
1983
详细记录
符号[E/ECE/]COAL/GE.2/R.40/Add.5
标题Comparative analysis of working time at mechanized coal faces / transmitted by the Government of France.
作者France
日期Geneva : UN, 6 June 1983.
描述
4 p. : tables