Number | Date | Country | Kind |
---|---|---|---|
2-064025 | Mar 1990 | JPX | |
2-066871 | Mar 1990 | JPX | |
2-068361 | Mar 1990 | JPX | |
2-068362 | Mar 1990 | JPX | |
2-075149 | Mar 1990 | JPX | |
2-074205 | Mar 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4382981 | Stoetzer et al. | May 1983 | |
4579882 | Kanbe et al. | Apr 1986 | |
4631214 | Hasegawa | Dec 1986 | |
4647714 | Goto | Mar 1987 | |
4806200 | Larson et al. | Feb 1989 | |
4844784 | Suzuki et al. | Jul 1989 | |
4863789 | Arai | Sep 1989 |
Number | Date | Country |
---|---|---|
1401301 | Apr 1964 | FRX |
Entry |
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Patent Abstracts of Japan, vol. 10, No. 390, Dec. 26, 1986 & JP-A-61 177 399. |