binoda
ELEKTRONKA
elektronka
AUDION, BANTAM,BINODA, CATKIN, DIODA, EBICON,ELCON, ENIODA, GNOM, HEPTODA,HEXODA, HIVAC, KATODA,MITRON, NÁSOBIČ, NEGATRON,OKTODA, PENTODA, RADECHON,TETRODA, TRIODA, VAPOTRON