Welding patent classification in the A. F. Davis Welding Library.
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| Format: | Book |
| Language: | English |
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Columbus :
College of Engineering, the Ohio State University,
1950.
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| Series: | Bulletin (Ohio State University. Engineering Experiment Station) ;
no. 140. Engineering series (Ohio State University) ; v. 19, no. 1. Ohio State University studies. |
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| Item Description: | Ohio State University studies: Engineering series, volume 19, number 1. |
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| Physical Description: | 74 pages : illustrations |