Number | Date | Country | Kind |
---|---|---|---|
4-073205 | Feb 1992 | JPX | |
4-078443 | Feb 1992 | JPX | |
4-078444 | Feb 1992 | JPX | |
4-085070 | Mar 1992 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3009336 | Bayston et al. | Nov 1961 | |
3021686 | Alt | Feb 1962 | |
4572785 | Braaten | Feb 1986 | |
4722199 | Hibino | Feb 1988 |
Entry |
---|
Metals Handbook, Ninth Edition, 1983, published by the American Society for Metals. |