Number | Date | Country | Kind |
---|---|---|---|
63-55516[U] | Apr 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4558326 | Kimura et al. | Dec 1985 | |
4641154 | Mikalsen | Feb 1987 | |
4658273 | Yuki et al. | Apr 1987 | |
4689642 | Sugitani | Aug 1987 | |
4734718 | Iwagami et al. | Mar 1988 |
Number | Date | Country |
---|---|---|
61-185451 | Aug 1986 | JPX |
Entry |
---|
"Nikkei Electronics", Oct. 3, 1977, pp. 72-85. |