Investigation of Longwall Gateroad Roof Support Characteristics at Powhatan No. 4 Mine

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  • Investigation of Longwall Gateroad Roof Support Characteristics at Powhatan No. 4 Mine Book Detail

  • Author : Alexander May
  • Release Date : 1982
  • Publisher :
  • Genre : Acmite
  • Pages : 490
  • ISBN 13 :
  • File Size : 47,47 MB

Investigation of Longwall Gateroad Roof Support Characteristics at Powhatan No. 4 Mine by Alexander May PDF Summary

Book Description:

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