Superseded
Standard
Historical
BS 6450-4:1993
Private branch exchanges for connection to public switched telephone networks run by certain telecommunications operators Specification ports
No description.
Technical characteristics
| Publisher | British Standards Institution (BSI) |
| Publication Date | 12/15/1993 |
| Cancellation Date | 05/01/2009 |
| Page Count | 162 |
| Themes | Test equipment |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
No products.