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Patent US2826402 - Remotely controlled mining system - Google Patents
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Electric mine-signal system at ajax mine (aug. 30, 1913)
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Patent us2826402Underground mining electrification Mine electrificationServices — mining illustrated.
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Patent us2826402
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Mineral Processing and Extractive Metallurgy Methods
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Schematic diagram of proposed mining operation (see online version for
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Minerals | Free Full-Text | Optimizing Performance of SABC Comminution
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Mining Applications | Roctest
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Patent US2826402 - Remotely controlled mining system - Google Patents
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Driving an Underground Mine Adit: Methods & Equipment
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Schematic mining scheme | Download Scientific Diagram
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37 Tips for Electrical Safety in Mines