Number | Date | Country | Kind |
---|---|---|---|
2-314671 | Nov 1990 | JPX | |
2-314673 | Nov 1990 | JPX | |
2-314675 | Nov 1990 | JPX | |
2-314682 | Nov 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
1198434 | Garred | Sep 1916 | |
3258330 | Ito | Jun 1966 | |
3822871 | Morisaki | Jul 1974 | |
3901489 | Suzuki | Aug 1975 | |
4349383 | Chandhuri | Sep 1982 | |
4802916 | Victorovich | Feb 1989 |
Number | Date | Country |
---|---|---|
1294832 | Nov 1989 | JPX |
1165514 | Oct 1969 | GBX |
2141535 | Dec 1984 | GBX |
Entry |
---|
Gazarian, L. M., "Pyrometallurgy of Copper", Metallurgia, Moscow, pp. 204-208, (1965). |