Number | Date | Country | Kind |
---|---|---|---|
61-315538 | Dec 1986 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3362819 | Land | Jan 1968 | |
3734727 | Milligan | May 1973 | |
4356249 | Abel et al. | Oct 1982 | |
4551410 | Tomiyama et al. | Nov 1985 |
Entry |
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"Neutralizing Materials in Photographic Elements", Research Disclosure, No. 12331, 7/1974, pp. 22-24. |