ELECTRON TUBES + VACUUM TUBES + THERMIONIC VALVES (ELECTRONICS)
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BTELECTRONICS
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UDC621.385
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Descriptor GERELEKTRONENRÖHREN + VAKUUMRÖHREN (ELEKTRONIK)
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Descriptor ENGELECTRON TUBES + VACUUM TUBES + THERMIONIC VALVES (ELECTRONICS)
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Descriptor FRETUBES ÉLECTRONIQUES + TUBES À VIDE (ÉLECTRONIQUES)
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Variant GERRÖHREN/ELEKTRONENRÖHREN (ELEKTRONIK)
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Variant GERVAKUUMRÖHREN (ELEKTRONIK)
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Variant GERRÖHREN/VAKUUMRÖHREN (ELEKTRONIK)
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Variant ENGTHERMIONIC VALVES (ELECTRONICS)
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Variant ENGVACUUM TUBES (ELECTRONICS)
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Variant ENGVALVES/ELECTRON VALVES (ELECTRONICS)
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Variant ENGTUBES/ELECTRON TUBES (ELECTRONICS)
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Variant ENGVALVES/THERMIONIC VALVES (ELECTRONICS)
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Variant ENGTUBES/VACUUM TUBES (ELECTRONICS)
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Variant ENGELECTRON VALVES (ELECTRONICS)
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Variant FRETUBES THERMOIONIQUES (ÉLECTRONIQUES)
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Variant FRETHERMOIONIQUES/TUBES THERMOIONIQUES (ÉLECTRONIQUES)
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Variant FREÉLECTRONIQUES/TUBES ÉLECTRONIQUES (ÉLECTRONIQUES)
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Variant FRETUBES À VIDE (ÉLECTRONIQUES)
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Variant FREVIDE/TUBES À VIDE (ÉLECTRONIQUES)
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NTELECTRON MULTIPLIERS (ELECTRON TUBES)
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NTCATHODE RAY TUBES + BRAUN TUBES (ELECTRON TUBES)
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NTMICROWAVE TUBES + KLYSTRONS + MAGNETRONS (ELECTRON TUBES)
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NTTHERMIONIC DIODES + VACUUM DIODES (ELECTRON TUBES)
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RTACTIVE COMPONENTS (ELECTRONICS)
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RTVIDICONS + VIDEO TUBBES (VIDEO ENGINEERING)