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Application filed by Ιωαννης ΑμπατζηςfiledCriticalΙωαννης Αμπατζης
Priority to GR560117154ApriorityCriticalpatent/GR17154B/el
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Anordning för strömmatning från en centralstation till abonnentledningar i en telekommunikationsanläggning, företrädesvis i en automatisk telefonanläggning