Research and development on safety in the coal industry : replies to the questionnaire / transmitted by the Government of Czechoslovakia.
1992
Полное описание
Условное обозначение[E/ECE/]ENERGY/WP.1/GE.1/R.7/Add.3
ЗаглавиеResearch and development on safety in the coal industry : replies to the questionnaire / transmitted by the Government of Czechoslovakia.
АвторыCzechoslovakia
ДатаGeneva : [UN], 2 Dec. 1992.
Описание
7 p.