FireDOC Search

displaying 1 - 1 results in total 1

• Liedbert, S. A. Z.
  view article (9.9981365)

  Incombustible Dust Used at Wankie.
  Wankie Colliery, South Africa
  South Africa Mining and Engineering Journal, Vol. 88, No. 4129, 89-91,95,97, June 1977