Yazar
Richard J Seibel
2 cilt bulundu.
Cilt sonuçları
The dustiness of different coal seams
Richard J Seibel · U.S. Dept. of the Interior
Sayfa sayısı yok · 1974
Mine dusts / Coal mines and mining / Dust control
Dust control at a transfer point using foam and water sprays
Richard J Seibel · U.S. Dept. of the Interior, Bureau of Mines
12 sayfa · 1976
Mine dusts / Coal mines and mining / Sprinklers / Dust control