Number | Date | Country | Kind |
---|---|---|---|
8915227 | Jul 1989 | GBX |
Filing Document | Filing Date | Country | Kind | 102e Date | 371c Date |
---|---|---|---|---|---|
PCT/GB90/00988 | 6/26/1990 | 2/21/1992 | 2/21/1992 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO91/00504 | 1/10/1991 |
Number | Name | Date | Kind |
---|---|---|---|
4378701 | Mountain et al. | Apr 1983 | |
4541059 | Toshihiko | Sep 1985 |
Number | Date | Country |
---|---|---|
153231 | Nov 1981 | JPX |
250532 | Mar 1985 | JPX |
29735 | Jun 1986 | JPX |
01156 | Dec 1979 | WOX |
Entry |
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Optical Engineering, vol. 26, No. 1 (Jan. 1987). |