Preventing fatal explosions in coal mines :
| Institution: | International Institute of Social History |
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| Format: | TEXT |
| Published: |
Russell Sage foundation,
1942.
New York, N.Y. : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/E60A997F-4610-4C21-AF60-CFA2BB09931C |
| Published: | 1942. |
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