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082 _a621.317 S531P
100 _aSharma, M.C
245 0 _aPractical SCR and Triac project
_c M.CSharma
260 _aDelhi
_bBPB
_c1976
650 _aPractical SCR and Triac project
_941014
942 _cBK
999 _c38061
_d38061