Number | Date | Country | Kind |
---|---|---|---|
1-122213 | May 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4806615 | Rice et al. | Feb 1989 |
Number | Date | Country |
---|---|---|
61-20717 | Jun 1986 | JPX |
61-501575 | Jul 1986 | JPX |
62-97808 | May 1987 | JPX |
Entry |
---|
Japanese Patent 61-20717--English Abstract. |