00456nam a22001697a 450000500170000001000150001702000260003203500130005803700130007108200080008410000160009224500500010826000310015827000530018930000380024270000060028020161206111942.0  aENG-116275  a9788120352711c795.00  aEN-99807  bDBAD/PUB  a621  aSharma,D.P.  aGATE mechanical engineering /cby D.P. Sharma  aDelhibPHI  Learningc2016  a111,Patparganj Industrial Eatate bDelhie110092  aVarious Pagings :billc24cm(pbk)  a