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Priority to IT1175487UpriorityCriticalpatent/IT212567Z2/it
Publication of IT8711754V0publicationCriticalpatent/IT8711754V0/it
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Publication of IT212567Z2publicationCriticalpatent/IT212567Z2/it
Kopplingsanordning foer en centralstyrd telekommunikationsanlaeggning, saerskilt en pcm-telefoncentral, med en centraldel och med denna foerbundna anslutningsgrupper.