000 00273nam a2200109Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aBadri(Ram) & vishwarkarma(d.n)
245 0 _apower system pROTECTION &switch gear
250 _aVII
260 _bTMH
942 _2ddc
_cBTECH
999 _c5250
_d5250