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RuТехника безопасности в горном деле
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For consideration in the Department of Industry, Science and Trade of the State Council for the appointment of pensions and benefits of miner-workers of government mining factories and mines for injury and illness.
Collection: Consideration in the Department of Industry, Science and Commerce of the State Council for the appointment of pensions and benefits of miner-worker of government mining factories and mines for injury and illness. (1900)