Attributions
The files and metadata on this page have been mirrored with permission from The Telecom Archive.
Attributions
The files and metadata on this page have been mirrored with permission from The Telecom Archive.
Bell System Practices | |
|---|---|
| Division | 534 |
| Description | Sections Applying to More Than One PBX - Series 500, 600, 700, and 800 Series Manual and Dial PBX |
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