【正版】矿井通风与安全:安全技术 中国煤炭教育协会职业教育教材编审委员会 煤炭工业出版社 - Tapa blanda

Mine ventilation and safety: safety technology(Chinese Edition)

paperback. Condición: 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 . Nº de ref. del artículo: CD003985

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