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Titolo: National Coal Mine Safety training textbooks...
Condizione libro: New
Paperback. Pub Date: November 2002 Pages: 126 Language: Chinese in Publisher: China University of Mining Press National Coal Mine Safety Training uniform textbooks: prevention and treatment of mineral dust (B class) introduces a coal mine dust basics. dust technical measures. detection and management of mineral dust and coal dust explosion prevention. National Coal Mine Safety training uniform textbooks: the mineral dust control (B) is coal mining classes (groups). long boring classes (groups. Codice inventario libreria CD005292
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Libreria AbeBooks dal: 7 aprile 2009
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