000 | 00422nam a2200181Ia 4500 | ||
---|---|---|---|
005 | 20240921120703.0 | ||
008 | 240921s9999||||xx |||||||||||||| ||und|| | ||
041 | _aENGLISH | ||
082 | _A621.385 L0 | ||
100 | _aBiswas N N | ||
245 | 0 | _aPrinciples of Telephony | |
250 | _a1st | ||
260 | _bRadiant Books,Ban | ||
500 | _aManual Telephony | ||
650 |
_aTelephone _bElectronics |
||
942 | _cBK | ||
999 |
_c247321 _d247321 |