Motor drive in a rock-drill factory.
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| Title: | Motor drive in a rock-drill factory. |
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| Authors: | Burr, F. D. |
| Source: | Electrical World; 26 Jun 1915, Vol. 65, p1700-1701, 2p |
| Database: | Applied Science & Technology Source |
| ISSN: | 00134457 |
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