Quality of mine air : dust content and cooling power.
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| Formato: | Libro |
| Lenguaje: | English |
| Publicado: |
Johannesburg :
Transvaal Chamber of Mines,
1947.
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| Notas: | For a later ed. of this work, see Transvaal and Orange Free State Chamber of Mines - Gold Producers' Committee. Quality of mine air; routine measurements in South African gold mines. |
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