Number | Name | Date | Kind |
---|---|---|---|
3990923 | Takashina et al. | Nov 1976 | |
4109127 | Frungel | Aug 1978 | |
4215259 | Rudd et al. | Jul 1980 | |
4234776 | Rudd et al. | Nov 1980 | |
4363677 | Ichiyama et al. | Dec 1982 |
Number | Date | Country |
---|---|---|
8385 | May 1980 | EPX |
652230 | Mar 1979 | SUX |
Entry |
---|
McGannon, The Making, Shaping and Treating of Steel, 8th Ed., 1964, p. 1060. |