A Whole-Mine Medium-Frequency Radio Communication System
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A Whole-Mine Medium-Frequency Radio Communication System

  • 11/01/1982

  • Source: Proceedings of the Sixth WVU Conference on Coal Mine Electrotechnology, Morgantown, West Virginia, July 28-30, 1982. Cooley WL, ed., Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, Contract J0123017, 1982 Nov; :124-136
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