Number | Date | Country | Kind |
---|---|---|---|
11-028411 | Feb 1999 | JP |
Number | Date | Country |
---|---|---|
0573862 | Dec 1993 | EP |
0919572 | Jun 1999 | EP |
59-172507 | Sep 1984 | JP |
Entry |
---|
Patent Abstracts of Japan, vol. 009, No. 028 (C-264), Feb. 6, 1985 & JP 59 172507 A (Mitsui Sekiyu Kagaku Kogyo KK), Sep. 29, 1984. |