Efficiency and rational application of various methods and techniques of water drainage in opencast mining / transmitted by the Government of Poland.
1984
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Условное обозначение
[E/ECE/]COAL/GE.5/R.30/Add.3
Заглавие
Efficiency and rational application of various methods and techniques of water drainage in opencast mining / transmitted by the Government of Poland.
Авторы
Дата
Geneva : UN, 7 Aug. 1984.
Описание
14 p.