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The Assayer's Guide; Or, Practical Directions to Assayers, Miners, and Smelters
其他書名
For the Tests and Assays, by Heat and Wet Processes, of the Ores of All the Principal Metals, of Gold and Silver Coins and Alloys, and of Coal, &c
出版A.C. Baird & Company, 1884
URLhttp://books.google.com.hk/books?id=T8cwAAAAMAAJ&hl=&source=gbs_api
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