Yazar
gerhard brauner
5 cilt bulundu.
Cilt sonuçları
Gebirgsdruck und Gebirgsschläge
Gerhard Bräuner · Verlag Glückauf
158 sayfa · 1981
Ground control (Mining) / Rock bursts / Rock pressure
Rockbursts in coal mines and their prevention
Gerhard Bräuner · A.A. Balkema
144 sayfa · 1994
Coal mines and mining / Rock bursts / Safety measures
Subsidence due to underground mining
Gerhard Bräuner · United States Department of the Interior, Bureau of Mines
Sayfa sayısı yok · 1973
Mine safety / Subsidences (Earth movements)