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Thyratron. Thyratron kV VEB Werk fr Fernsehelektronik DDR Typ Mastab in mm andere Versionen selfphotographed Ulfbastel de Ulfbastel de Original upload log de Wdwd CommonsHelper page de Thyratron Ulfbastel bytes no Andere Versionen Ulfbastel bytes no Bildbeschreibung Thyratron kV VEB Werk fr Fernsehelektronik DDR