Number | Name | Date | Kind |
---|---|---|---|
2984563 | Tanczyn | May 1961 | |
3615368 | Baumel | Oct 1971 | |
3663215 | Tanczyn | May 1972 | |
3785787 | Yokota et al. | Jan 1974 | |
3806337 | Jones | Apr 1974 | |
3900316 | Jones | Aug 1975 | |
3912503 | Schumacher et al. | Oct 1975 | |
4002510 | Wilde | Jan 1977 |
Number | Date | Country |
---|---|---|
1,275,007 | May 1972 | GBX |
Entry |
---|
Steel Products Manual, 12/1974, pp. 21-22. |