| 000 | 00447cas a2200157 4500 | ||
|---|---|---|---|
| 001 | 0000004668 | ||
| 005 | 20231211133302.0 | ||
| 035 | _a0000010137 | ||
| 041 | 1 | _aeng | |
| 099 | _a4688 | ||
| 110 | 2 |
_bInternational Telephone and Telgraph Corporation. _gITT. |
|
| 245 | 1 | 0 | _aPublic telephone switching worldwide. |
| 260 |
_as.l : _bInternational Telephone and Telegraph Corporation, _c1977. |
||
| 300 |
_av. : _btbls.,fotos ; _c30 cm. |
||
| 908 | _a090330 | ||
| 999 |
_c1216 _d1216 |
||