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| 999 |
_c63827 _d63827 |
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| 005 | 20201124104246.0 | ||
| 008 | 201124b ||||| |||| 00| 0 eng d | ||
| 082 | _a621.382 D229C | ||
| 100 | _aDas, P N | ||
| 245 | _aCarrier Current Engineering | ||
| 250 | _a3rd | ||
| 260 |
_aCalcutta _bModern Book Agency _c1977 |
||
| 300 | _a199p. | ||
| 650 | _aLong Line Transmission | ||
| 650 | _aElectric Wave | ||
| 650 | _aCarrier Telephone System | ||
| 942 | _cSW | ||