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Search U.S. government technical reports digitized or harvested by TRAIL.
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4 results returnedPermissible electric lamps for miners
Electrical accidents in mines :their causes and prevention
Published Year
Subject
- Electric lamps, Portable (1)
- Electric lamps, Portable. (1)
- Electricity in mining--Safety measures (1)
- Mine accidents (1)
- Mining machinery. (1)
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