Electron source

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Title: Electron source
Date: 1982
Citation: Cuomo, J. J., Dreyfus, R. W., & Woodall, J. M. (1982). Electron source. U.S. Patent No. 4,352,117. Washington, DC: U.S. Patent and Trademark Office.
URI: http://www.lib.ncsu.edu/resolver/1840.2/1477


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