Isbn: 9787502028091 - major coal mine production safety hazards identified (for trial implementation) q a(chinese edition) (1 resultados)

paperback. Condición: New. Paperback. Pub Date: December 2005 Pages: 193 in Publisher: Coal Industry Press coalmine significant safety risks identified (Trial) Questions and Answers question and answer format developed in terms of the approach significance. in principle. the technical basis. as well as relationship with the relevant regulations. such as one by one the description; cited for a variety of potential accidents. accident cases. not timely investigation. dealing with the consequences of potential accidents m.…