Manufacture of leads for the mechanical pencil.
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| Title: | Manufacture of leads for the mechanical pencil. |
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| Authors: | Back, R. |
| Source: | Journal of the American Ceramic Society; November 1925, Vol. 8, p571-579, 9p |
| Database: | Applied Science & Technology Source |
| ISSN: | 00027820 |
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| DOI: | 10.1111/j.1151-2916.1925.tb16696.x |
