A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Difficulties encountered in mine ventilation; examples of ventilating practice, featuring Jeffrey Multi-Blade fan. Before Coal Min. Inst. America.
Difficulties encountered in mine ventilation; examples of ventilating practice, featuring Jeffrey Multi-Blade fan. Before Coal Min. Inst. America.
Practical mine ventilation
Coal Min
Steinheiser, G. (author)
Coal Mining ; 8
1931
3 pages
Article (Journal)
English
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