Number | Name | Date | Kind |
---|---|---|---|
2967228 | Tindall | Jan 1961 | |
3037108 | Poillevey | May 1962 | |
3575570 | Gellatly | Apr 1971 | |
3793503 | Warner | Feb 1974 | |
4202482 | Sade et al. | May 1980 | |
4349718 | Carota et al. | Sep 1982 | |
4352971 | Slade | Oct 1982 |
Number | Date | Country |
---|---|---|
103287 | Aug 1980 | JPX |
Entry |
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Cary, Howard B., Modern Welding Technology, New Jersey: Prentice-Hall, Inc., 1979, pp. 56-58. |