Vacuum tubes

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  • (cur) (last) 18:06, 12 March 2009 Lekernel (Talk | contribs) (346 bytes) (New page: Par lekernel Principe de fonctionnement des lampes radio, méthode de conception de divers circuits (amplificateurs audio, émetteurs, ...). Réalisation d'un petit ampli audio (~2W). ht...)
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