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tubes

all symbols > electronics > semiconductors and tubes > tubes

Symbol: tubes - diodediode
Symbol: tubes - cathode-ray tubecathode-ray tube
Symbol: tubes - pentodepentode
Symbol: tubes - tetrodetetrode
Symbol: tubes - triodetriode
Symbol: tubes - double diode directly heateddouble diode directly heated
Symbol: tubes - pentagridpentagrid


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