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Mine-fan signal alarms and power releases
| Author: | Fene, W. J. |
|---|---|
| Additional Authors: | Weaver, H. F. |
| Year: | 1943 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7262 |
| Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 7262 |
| Subject: | Mine ventilation--Equipment and supplies--Safety measures |
| Link: | https://hdl.handle.net/2027/mdp.39015074127146 |
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