Number | Name | Date | Kind |
---|---|---|---|
3833360 | Giflo et al. | Sep 1974 | |
3901690 | Philip et al. | Aug 1975 | |
3907553 | Nagumo et al. | Sep 1975 | |
4036640 | Philip et al. | Jul 1977 | |
4116684 | Uchida et al. | Sep 1978 |
Number | Date | Country |
---|---|---|
513100 | May 1955 | CAX |
140791 | Jun 1953 | DKX |
2259420 | Jul 1973 | DEX |
91218 | May 1959 | NLX |
637222 | May 1950 | GBX |
393355 | Dec 1973 | SUX |
Entry |
---|
Roberts et al.; "Tool Steels", ASM, 1962, pp. 707-713. |