Third International Mine Ventilation Congress, Harrogate, 1984
by International Mine Ventilation Congress (3rd 1984 Harrogate, North Yorkshire), M. J. Howes, M. J. Jones
Mine ventilationCongressesHeating, lighting, ventilationMining technology & engineeringMinesCongrèsVentilationVentilacao E Iluminacao (Mineracao)
Writing a summary for young readers…
For young readers
Book data: Open Library