Improve the quality of coal mine safety full reading books: Mine Safety redline management knowledge training materials(Chinese Edition) - Tapa blanda

Improve the quality of coal mine safety full reading books: Mine Safety redline management knowledge training materials(Chinese Edition)

paperback. Condición: New. Pub Date: 2014-05-01 Pages: 126 Language: Chinese Publisher: China Mining University Press. full of coal mine safety to improve the quality of reading books: Red mine safety management knowledge training materials in three basic red coal mine safety management as the core It mainly covers the mine go down with class leading safety red. coal mine safety generic red. red and coal mine safety production management positions safe operation of the red and so on. Coal Mine Safety to improve the qua. Nº de ref. del artículo: CR022279

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