 |
� |
 |
|
| � |
Home
: ITU-T
: Publications
: Recommendations
: R�Series
: R.57
: R.57 (11/88) |
Recently posted�-�
Search Recommendations |
| � |
� |
| R.57�:�Standard limits of transmission quality for planning code-independent international point-to-point telegraph communications and switched networks using 50-baud start-stop equipment
� |
|
Recommendation R.57 (11/88)
|
|
Approved in 1988-11-25
|
Status : In force
|
|
|
Access : Freely available items
|
|
Available languages and formats :
|
| � |
 |
Click on the selected format
and language to get the document |
|
� |
� |
|
Format |
Size |
Posted |
Article Number |
|
|
| English |
 PDF (acrobat)
|
52551 bytes |
1990-04-19 |
E�15295� |
|
|
| Espa�ol |
PDF (acrobat)
|
58613 bytes |
1990-04-19 |
S�15295� |
|
|
| Fran�ais |
PDF (acrobat)
|
59329 bytes |
1990-04-19 |
F�15295� |
|
|
|
|
|
|
Available languages and formats :
|
|
Word 