BE359411A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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US7173488B2
(en)
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Vacuum tube power amplifier switchable between push-pull and single ended configurations
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US2167462A
(en)
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Variable electric filter
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RU2579302C1
(ru)
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Усилитель мощности звука
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CH132420A
(fr)
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Transformateur à chute de tension réglable, applicable en particulier à la soudure électrique.
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US1990099A
(en)
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Device more particularly for controlling the sound intensity in low-frequency distribution systems
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Van der Veen
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Universal system and output transformer for valve amplifiers |
US1911382A
(en)
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Amplifier
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Bereskin
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A dual channel transistor power amplifier |
BE373514A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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US2093393A
(en)
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Tone control system
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BE333732A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE542822A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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JPS629697Y2
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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GB321644A
(en)
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Improvements in thermionic valve amplifiers
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BE369921A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE352898A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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CH101727A
(fr)
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Dispositif d'émission d'oscillations à haute fréquence.
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BE861556A
(fr)
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Circuit de charge d'un oscillateur a ondes sinusoidales
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BE472895A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE340110A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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CH369199A
(fr)
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Transformateur stabilisateur de tension
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CH99163A
(fr)
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Amplificateur à tubes thermo-ioniques.
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BE441229A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE431989A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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