Number | Date | Country | Kind |
---|---|---|---|
57-157773 | Sep 1982 | JPX | |
57-157774 | Sep 1982 | JPX | |
57-157775 | Sep 1982 | JPX | |
57-157776 | Sep 1982 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4400795 | Irie et al. | Aug 1983 | |
4415940 | Becker | Nov 1983 |
Entry |
---|
Electronic Products Magazine-May 1970, p. 149. |