Number | Date | Country | Kind |
---|---|---|---|
3721808 | Jul 1987 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4196001 | Joseph et al. | Apr 1980 | |
4209584 | Joseph | Jun 1980 | |
4233398 | Nittel et al. | Nov 1980 | |
4248963 | Kolb et al. | Feb 1981 |
Entry |
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The Theory of the Photographic Process, 4th Ed., N.Y., MacMillan Publishing Co., 1977, pp. 77-78. |