Number | Name | Date | Kind |
---|---|---|---|
3079606 | Bobrov et al. | Mar 1963 | |
3490675 | Green et al. | Jan 1970 | |
3499591 | Green | Mar 1970 | |
5058457 | Deroulou et al. | Oct 1991 |
Entry |
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Mark's Standard Handbook for Mechanical Engineers, Ninth Ed., pp. 7-63 (1987). |
Application of Electronic Induction Heating Equipment, dated 1956. |