ELECTRONIC TUBE AMPLIFIERS (ELECTRICAL OSCILLATION TECHNOLOGY)
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BTAMPLIFIERS (ELECTRICAL OSCILLATION TECHNOLOGY)
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UDC621.375.2
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Descriptor GERRÖHRENVERSTÄRKER (ELEKTRISCHE SCHWINGUNGSTECHNIK)
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Descriptor ENGELECTRONIC TUBE AMPLIFIERS (ELECTRICAL OSCILLATION TECHNOLOGY)
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Descriptor FREAMPLIFICATEURS À TUBES (TECHNIQUE D'OSCILLATIONS ÉLECTRIQUES)
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Variant GERVERSTÄRKER/RÖHRENVERSTÄRKER (ELEKTRISCHE SCHWINGUNGSTECHNIK)
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Variant ENGVACUUM-TUBE AMPLIFIERS (ELECTRICAL OSCILLATION TECHNOLOGY)
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Variant ENGAMPLIFIERS/ELECTRONIC TUBE AMPLIFIERS (ELECTRICAL OSCILLATION TECHNOLOGY)
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Variant ENGVALVE AMPLIFIERS (ELECTRICAL OSCILLATION TECHNOLOGY)
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Variant ENGAMPLIFIERS/ELECTRONIC TUBE AMPLIFIERS (ELECTRICAL OSCILLATION TECHNOLOGY)
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Variant ENGTHERMIONIC VALVE AMPLIFIERS (ELECTRICAL OSCILLATION TECHNOLOGY)
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Variant FRETUBES/AMPLIFICATEURS À TUBES (TECHNIQUE D'OSCILLATIONS ÉLECTRIQUES)