Number | Date | Country | Kind |
---|---|---|---|
3839972 | Nov 1988 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
1010647 | Leffel | Dec 1911 | |
1521592 | Belke | Jan 1925 | |
2072170 | Herzog | Mar 1937 | |
3923631 | Palisin, Jr. | Dec 1975 | |
3939056 | Fueki et al. | Feb 1976 |
Number | Date | Country |
---|---|---|
3111786 | Oct 1982 | DEX |
3246774 | Jun 1984 | DEX |
70029084 | Sep 1970 | JPX |
Entry |
---|
W. Dettner, V. J. Elze, "Handbuch de Galvanotechnik", Bano I., Teil 1, Suite 512 FF. |