000 00369nam a2200145Ia 4500
008 160910s9999 xx 000 0 und d
040 _cSGVU Library
041 _cEng.
100 _aECA. J.B
245 _aUpto date emitters & optocouplers.
_cBy J.B. ECA.
260 _bBPB Publications. New Delhi
520 _aEngineering
650 _aElectronics
942 _cBOOKS
999 _c5793
_d5793