| 000 | 003940000a22001450004500 | ||
|---|---|---|---|
| 001 | EST | ||
| 003 | 621.391 / S32 / V3 | ||
| 004 | M | ||
| 006 | m | ||
| 245 | _aDigital telecommunication / 3: line equipment for fiber-optic transmission systems | ||
| 021 | _aV.3 | ||
| 047 | _a3-8009-7177-1 | ||
| 650 | _a<TELECOMUNICACIONES><COMUNICACIONES DIGITALES><REDES><FIBRAS OPTICAS> | ||
| 999 |
_c13433 _d13433 |
||