00367    a2200133   4500020001500000082001900015100001900034245005300053260003100106300001800137650004300155700001800198700001700216  a8176563692  a621.38232bLOT  aLotia, Manahar  aModern UPS introduction troubleshooting & repair  aNew DelhibBPBc2001g2002  av,174p.c27cm  aPower supply in communications systems  aNair, Pradeep  aLotia, Payal