Anbieter: liu xing, Nanjing, JS, China
paperback. Zustand: New. Paperback. Pub Date: 2007 Pages: 397 in Publisher: Coal Industry Publishing House mine ventilation and security: security technology is prepared according to the unified teaching plans of the national coal mine technical schools approved by the Ministry of Labor and Social Security. the syllabus requirements validated by the Association of Vocational Education of China Coal education teaching materials Committee and deemed qualified teaching materials. technical schools teaching the national . Bestandsnummer des Verkäufers CD003985
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