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020 _a9788190691949
040 _cSGVU Library
041 _cEnglish.
100 _agupta jb
_918053
245 _aBasic Electronics
250 _a2015
260 _aNew Delhli
_bSK Katariya & sons, N.D.
_c2015
300 _a746
520 _aEngineering
650 _aEngineering
942 _cBOOKS
_02
999 _c33300
_d33300