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Search U.S. government technical reports digitized or harvested by TRAIL.
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9 results returnedThe Bureau of Mines coal-sampling truck
Multiple-shift mechanical mining in some bituminous-coal mines.
Two devices to prevent electric arcs with airdox operations in coal mines
Mechanical mining in some bituminous-coal mines.
Safety aspects of controls and operations of belt conveyors in coal mines
Coal mine equipment forecast to 1985
Surface testing and evaluation of the conveyor belt service machine
Published Year
Subject
- Coal mines and mining--Equipment and supplies (9) *
- Coal mines and mining--Safety measures (3)
- Bituminous coal (2)
- Coal mines and mining--Electric equipment (2)
- Compressed air (2)
- Belt conveyors--Testing (1)
- Conveyor belts (1)
- Electric cables--Testing (1)
- Mine haulage (1)
Author
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