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The manner of working is described and the best means of ventilating. (1200 w.)
The manner of working is described and the best means of ventilating. (1200 w.)
Alluvial mines ventilation
Aust Min Stand
Robertson, A. (author)
1897
Article (Journal)
English
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Engineering Index Backfile | 1918
|Engineering Index Backfile | 1897
|Engineering Index Backfile | 1921
|Engineering Index Backfile | 1921
|Engineering Index Backfile | 1921
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