| 000 | 00482 a2200253 4500 | ||
|---|---|---|---|
| 001 | 100664 | ||
| 020 | _a2 | ||
| 041 | _aeng | ||
| 080 | _a621.395.34 Das | ||
| 245 | _aIntroduction to automatic telephony | ||
| 250 | _a | ||
| 260 | _aCalcutta | ||
| 260 | _bModern Book Agency, | ||
| 260 | _c1963 | ||
| 300 | _a213 p. | ||
| 300 | _c21cm | ||
| 490 | _a | ||
| 100 | _aDas, P.N. | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aTelephone, Automatic | ||
| 942 | _cBK | ||
| 942 | _2UDC | ||
| 999 |
_c67578 _d67578 |
||