Number | Date | Country | Kind |
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40696/75 | Oct 1975 | GBX |
Number | Name | Date | Kind |
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3731986 | Ferguson | May 1973 | |
3881808 | Gurtler et al. | May 1975 |
Entry |
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Sato et al., "Liquid Crystal Color Display by DAP-TN Double Layered Structure," IEEE Transactions on Electron Devices, May, 1974, pp. 312-313. |