Logistics of underground coal mining/

مواد مشابهة

• Underground loudspeaker communication systems in coal mines
  حسب: 8096 British Standards Institution
  منشور في: (1983)
• Coal-age operating handbook of underground mining /
  حسب: Chironis, Nicholas P.
  منشور في: (1977)
• Underground coal mining : production and cost functions /
  حسب: 431980 Halvorson, Alan Lyle
• Underground disposal of coal mine wastes : a report to the National Science Foundation/
  حسب: United States. National Academy of Sciences, وآخرون
  منشور في: (1975)
• Cost-effective drilling and blasting in surface coal mines/
  حسب: Australian Mineral Foundation
  منشور في: (1985)