000 | 00457nam a22001817a 4500 | ||
---|---|---|---|
001 | 31963 | ||
003 | BD-DhUET | ||
008 | 150726b xxu||||| |||| 00| 0 eng d | ||
040 |
_aDLC _cDLC _dBD-DhUET |
||
082 |
_a623.85 _bDAS/1973 |
||
100 | _aDas, P.N. | ||
245 | _aIntroduction to manual telephony | ||
250 | _a1st ed. | ||
260 |
_aCalcutta _bModern Book Agency _c1973 |
||
300 |
_aiii, 148p. _billus |
||
650 | 0 | _aTelephone engineering | |
942 | _cGB | ||
999 |
_c31963 _d31963 |