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therefor, and equipment incorporating such devices except cold cathode relay tubes or decade counter tubes c (b)cold cathodetubes (other than ignitrons) whether gas-filled or not, operating in a manner similar to a spark gap, containing three or more electrodes and having all the following characteristics...
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ray tube (crt), by running its first program on june . [ ] early electronic computers were generally programmed by being rewired, or via plugs and patch panels ; there was no separate program stored in memory, as in a modern computer. it could take several days to reprogram eniac , for instance. [ ]...
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