| 000 | 00475nam a22001697a 4500 | ||
|---|---|---|---|
| 999 |
_c64821 _d64821 |
||
| 005 | 20201208115709.0 | ||
| 008 | 201124b ||||| |||| 00| 0 eng d | ||
| 082 | _a621.382 D229C | ||
| 100 | _aDas, P. N. | ||
| 245 | _aCarrier Current Engineering: Including Long Distance Telephony | ||
| 260 |
_aCalcutta _bModern Book Agency _c1977 |
||
| 300 | _a199p. | ||
| 650 | _aLong Line Transmission | ||
| 650 | _aElectric Wave | ||
| 650 | _aCarrier Telephone System | ||
| 942 | _cSW | ||