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| Name | Last modified | Size | Description |
|---|---|---|---|---|
| Parent Directory | - | ||
| BPO 3000 Type Relay Data Introduction.pdf | 03-Dec-2015 11:10 | 79K | |
| BPO 3000 Type Relay Data Yellow Book.pdf | 03-Dec-2015 11:13 | 3.0M | |
| BPO TELS Auto B5125.pdf | 03-Dec-2015 11:10 | 815K | |
| BPO TELS Auto B5126.pdf | 03-Dec-2015 11:10 | 1.2M | |
| Cable Simulator.pdf | 03-Dec-2015 11:11 | 374K | |
| Cable TE and Loop Resistance.pdf | 03-Dec-2015 11:10 | 30K | |
| Calculagraph No33 Manual.pdf | 03-Dec-2015 11:10 | 331K | |
| Telecom Design Tricks.pdf | 03-Dec-2015 11:11 | 432K | |
| Telegraphy and Telephony Historical Information.pdf | 03-Dec-2015 11:10 | 120K | |
| Telex Information.pdf | 03-Dec-2015 11:10 | 706K | |