Yazar
robert a jankowski
3 cilt bulundu.
Cilt sonuçları
Dust sources and controls on the six U.S. longwall faces having the most difficulty complying with dust standards
Robert A. Jankowski · U.S. Dept. of the Interior, Bureau of Mines
19 sayfa · 1983
Coal mines and mining / Dust control / Standards
Update on ventilation for longwall mine dust control
Robert A. Jankowski · U.S. Dept. of the Interior, Bureau of Mines
11 sayfa · 1993
Dust control / Longwall mining / Mine dusts / Mine ventilation
Using barriers to reduce dust exposure of longwall face workers
Robert A. Jankowski · U.S. Dept. of the Interior, Bureau of Mines
10 sayfa · 1986
Coal mines and mining / Dust control / Longwall mining / Mine dusts