9787523707043 - basic requirements and scoring methods for coal mine safety production standardization management system(chinese edition) de guo jia kuang shan an quan jian cha ju (1 resultados)
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Librería: liu xing, Nanjing, JS, Chinaliu xing
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paperback. Condición: New. Language:Chinese.Paperback.Pub Date:2024-11 Pages:156 Publisher:Emergency Management Press The basic requirements and scoring methods of the coal mine safety production standardization management system are formulated by the Mine Safety Supervision Bureau.
