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Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
2 results returnedThe improved permissible flame safety lamps
Investigation of electrical equipment, safety lamps, and gas detectors for safety
Published Year
Subject
- Safety lamps (2) *
- Gas detectors (1)
- Mine lighting--Equipment and supplies (1)
- Mine safety--Equipment and supplies (1)
Author
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