Christopher Minot Weld eBooks
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Manganese: Uses, Preparation, Mining Costs and the Production of Ferro-Alloys. E-book. Formato PDF
Christopher Minot Weld
edizioni Forgotten Books collana , 2017
During the past two years the Bureau of Mines has issued a series of mimeographed reports giving the results of research work and experiments conducted as part of its war minerals investigations.