Comparative analysis of working time losses at mechanized coal faces in the Ostrava-Karvina coalfield / transmitted / by the Government of Czechoslovakia.
1982
Полное описание
Условное обозначение[E/ECE/]COAL/GE.2/R.40/Add.2
ЗаглавиеComparative analysis of working time losses at mechanized coal faces in the Ostrava-Karvina coalfield / transmitted / by the Government of Czechoslovakia.
АвторыCzechoslovakia
ДатаGeneva : UN, 21 Jan. 1982.
Описание
2 p.