Number | Date | Country | Kind |
---|---|---|---|
2000-110860 | Apr 2000 | JP | |
2000-266509 | Sep 2000 | JP | |
2000-266510 | Sep 2000 | JP |
Number | Name | Date | Kind |
---|---|---|---|
4987271 | Watabe et al. | Jan 1991 | A |
Number | Date | Country |
---|---|---|
0 589 635 | Mar 1994 | EP |
48-36960 | Nov 1973 | JP |
11-246770 | Sep 1999 | JP |
Entry |
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Patent Abstracts of Japan, vol. 017, No. 492 (C-1107), Sep. 7, 1993 and JP 05 125176 A (Asahi Glass Co. Ltd), May 21, 1993. |