Attributions The files and metadata on this page have been mirrored with permission from The Telecom Archive. Bell System PracticesDivision820DescriptionEquipment Design and General Requirements - Engineering Information - 1, 1A, 2, 2A, 3 and 4ESS and 5ESS 1A Processor Search Division: $attachmentPatent $attachmentPatent $attachmentPatent $attachmentPatent $attachmentPatent $attachmentPatent $attachmentPatent $attachmentPatent $attachmentPatent $attachmentPatent $attachmentPatent $attachmentPatent $attachmentPatent $attachmentPatent $attachmentPatent $attachmentPatent $attachmentPatent $attachmentPatent $attachmentPatent $attachmentPatent $attachmentPatent $attachmentPatent $attachmentPatent $attachmentPatent $attachmentPatent $attachmentPatent $attachmentPatent
