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1
New bag nozzle to reduce dust from fluidized air bag machines
“…United States. Bureau of Mines…”
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Government Document Online Book -
2
Forecasting methane hazards in metal and nonmetal mines
“…United States. Bureau of Mines…”
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Government Document Online Book -
3
Using sulfur hexafluoride as a gaseous tracer to study ventilation systems in mines
“…United States. Bureau of Mines…”
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Government Document Online Book -
4
Tracer gas as an aid in mine ventilation analysis
“…United States. Bureau of Mines…”
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Government Document Online Book -
5
Simulation of methane flows in noncoal mines
“…United States. Bureau of Mines…”
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Government Document Online Book