00461nam a2200145Ia 4500100001500000942000700015654003000022245004200052260002800094082001800122300000800140546001200148999001700160952013800177  aGraf R.F.   cBK  aEncyclopedia  electronics  aEncyclopedia of  Electronic  Circuits  bB.B.P.aNew Delhic1989  a621.38103 GRA  a760  aENGLISH  c32148d32148  001040708CRCaCRCEbCRCEc1425 | 24d2023-03-17eglobal booksg240.00l0o621.38103 GRA p7893r2023-03-17v240.00w2023-03-17yBK