Congressional panel makes recommendations on belt safety: Panel agrees with the use of belt air with conditions and recommends upgrading all underground conveyors to meet the BELT standards

• Autores: Steve Fiscor (ed. lit.)
• Localización: Coal age, ISSN 1091-0646, Vol. 112, Nº. 12, 2007, págs. 38-41
• Idioma: inglés
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