煤矿一通三防知识100问 2版 煤矿全员安全素质提高丛书 - Tapa blanda

The coal mine one through three anti-knowledge 100 asked (2nd edition)(Chinese Edition)

paperback. Condición: New. Paperback. Pub Date: 2010 Pages: 385 Publisher: China University of Mining and Technology Publishing House through knowledge of the three anti-100 Q (2) a coal mine. explained a thematic mine ventilation. mine gas prevention. the prevention and treatment of mineral dust and mine Fire Prevention and Control. in One-three basic knowledge. Mine is a through knowledge of the three anti-100 Q (2) primarily as the main person in charge of coal mining enterprises. security management. special operat. Nº de ref. del artículo: CC023567

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