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Terms containing mines and placers | all forms | exact matches only | in specified order only
SubjectEnglishRussian
goldmin.instruction in calculation of losses and dilution of ore and ore-bearing sands in mines and placers of ministry of Non-Ferrous industryинструкция по учёту потерь и разубоживания руды и песков на рудниках и приисках МЦИ СССР (Leonid Dzhepko)