Number | Date | Country | Kind |
---|---|---|---|
52-34860 | Mar 1977 | JPX | |
52-37256 | Mar 1977 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3749969 | Miyashiro et al. | Jul 1973 | |
4066929 | Okamoto et al. | Jan 1978 |
Entry |
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"Gas Discharge Displays: The State of the Art", Sobel, IEEE Transactions on Electron Devices, vol. ED24, No. 7, Jul. 1977. |