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Application filed by Alcatel Face SpafiledCriticalAlcatel Face Spa
Priority to IT000234priorityCriticalpatent/IT221751Z2/en
Publication of ITMI910234V0publicationCriticalpatent/ITMI910234V0/en
Publication of ITMI910234U1publicationCriticalpatent/ITMI910234U1/en
Application grantedgrantedCritical
Publication of IT221751Z2publicationCriticalpatent/IT221751Z2/en
IT0002341991-03-211991-03-21
GROUP OF CERTIFICATION OF TELEPHONE USER LINES WITH POSSIBILITY OF DERIVATION FOR THE TEST AND WITH LINE PROTECTION
IT221751Z2
(en)