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Permissible Electric Mine Lamps (Supplement to Bulletin 332)
| Author: | Ilsley, L. C. |
|---|---|
| Year: | 1936 |
| Document Type: | N/A |
| SUDOC: | I 28.23:3304 |
| Series: | United States Bureau of Mines Reports |
| Report Number: | R. I. 3304 |
| Subject: | Electric lamps. |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc38404/ |
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