00563nam a22002057a 450000500170000001000130001702000250003003500130005503700160006804000120008408200170009611000090011324500400012226000500016227000430021230000360025550000190029165000230031065000240033320170124110237.0  aB-190405  c00.00a9780070532380  aB-190405  bCen Lib/Ret  aDPLbEN  a621.317bBHE  bBHEL  aHandbook of switchgears  /cby BHEL  aNew DelhibTata McGraw Hill Publishing c2006  a7, West Patel NagarbNew Delhie110008  aVarious Pages :b24cm(Hb)cill.  aIncludes index  aElectrical Science  aElectric switchgear