Number | Date | Country | Kind |
---|---|---|---|
9307082 | Apr 1993 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
5244770 | De Boer et al. | Sep 1993 | |
5360781 | Leenders et al. | Nov 1994 |
Entry |
---|
Patent Abstract of Japan vol. 10, No. 115 (M-474) (2172) 30 Apr. 1986 & JP A 60 244 598 (Fuji Kagaku Shikougiyou K.K.) 4 Dec. 1985. |
Patent Abstract of Japan vol. 11, No. 175 (M-596) (2622) 5 Jun. 1987 & JP A 62 007 590 (Nippon Kogaku K.K.) 14 Jan. 1987. |
Patent Abstract of Japan vol. 4, No. 4 (E-164) 12 Jan. 1980 & JP A 54 143 152 (Tokyo Shibaura Kenki K.K.) 11 Aug. 1979. |