Da: liu xing, Nanjing, JS, Cina
paperback. Condizione: New. Paperback. Pub Date: 311 Language: Chinese Publisher: Sinopec Publishing House Metal Deposit underground Mining mainly introduces the underground development method. mining method. and related knowledge of metal deposits. Metal deposit underground mining is divided into 4 articles. a total of 11 chapters. Article 1 mainly introduces the basic concepts and basic concepts of underground mining . Codice articolo NR041894
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