000 00349nam a2200133Ia 4500
008 210219s9999||||xx |||||||||||||| ||und||
082 _a621.3815204
_bD488T
100 _aDubey, G.K.
245 0 _aThyristorised power controllers.
_c G.K.Dubey
260 _aNew Delhi.
_bWEL.
_c1993
300 _axv; 825p
942 _cBK
950 _o621.3815204 D488T
999 _c33249
_d33249