Category:EF50

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<nowiki>EF50; EF50; EF50; EF50; высокочастотный пентод; high-frequency pentode tube; RL7</nowiki>
EF50 
high-frequency pentode tube
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Instance of
  • vacuum tube model
Subclass of
Manufacturer
Start time
  • 1939
Authority file
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Media in category "EF50"

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