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- Bulletin No. 5. San Francisco, October, 1894. The Cyanide Process: Its Practical Application and Economical Results.Scheidel, A.; California State Mining Bureau; Crawford, J. J.
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EUR 5,26 spedizione - Development of a process for producing an ashless, low-sulfur fuel from coal. 9999 Volume v.1 pt.2 [LeatherBound]Pittsburg & Midway Coal Mining Co.

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Spedizione gratuita - The Combination Process for Working Silicious and Semi-Base Ores Containing Gold and Silver. Not a "new process," but a better method than is generally employed for extracting the precious and base metals from silicious ores containing gold and silver associated with the baser metals. Pamphlet[Mining] Trent, L.C.

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EUR 8,76 spedizione - Flotation practice : papers and discussions presented at meetings held at Salt Lake City, August, 1927, and New York, February, 1928 / American Society of Mining and Metallurgical Engineers. 1928 [LeatherBound]American Institute of Mining, Metallurgical, and Petroleum Engineers.

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Spedizione gratuita - Proceedings of the 1st International conference on Modern process mineralogy and mineral processing (Beijing, China Sep. 1992)(Chinese Edition)Nonferrous metals society of China & Beijing General Research Institute of Mining and Metallurgy
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EUR 15,77 spedizione