Grumbrecht, K.
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Testing the Fire Hazard of Mining Equipment.
Versuchsgrubengesellschaft mbH, Dortmund, The Federal Republic of Germany
Translation 5116,
Safety in Mines Research Establishment, Ministry of Power. Restricted International Conference of Directors of Safety in Mines Research. July 12-16, 1965,
Sheffield, Great Britain,
1-22 p.,
1965