Number | Name | Date | Kind |
---|---|---|---|
3450926 | Kiernan | Jun 1969 | |
3641308 | Couch, Jr. et al. | Feb 1972 | |
4055741 | Bykhousky et al. | Oct 1977 | |
4140892 | Muller | Feb 1979 | |
4311897 | Yerushalmy | Jan 1982 |
Entry |
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American Welding Society, Welding Handbook, Seventh Edition, vol. 1, "Fundamentals of Welding", 1976, pp. 11-12. |