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Priority claimed from US06/848,468external-prioritypatent/US4775455A/en
Application filed by Borden IncfiledCriticalBorden Inc
Publication of IN168679BpublicationCriticalpatent/IN168679B/en
Dispositivo perfezionato per la protezione di apparecchiature telefoniche e/o di telematica contro i disturbi interessanti le linee collegate a dette apparecchiature.