00572nam a2200157Ia 4500008004100000082001800041100001900059245001800078260004100096300000900137630001800146650010800164942000900272952011600281999001700397211109s9999||||xx |||||||||||||| ||und||  a629.13bPRO-O  aProudfoot, C L 0aOur Air Force  bNational Book TrustaNew Delhic1977  a64p.  xGeneral Stack  aTechnologyvEngineering & allied OperationsxOther branches of engineeringPhilosophy & threoryGeneralia  cBOOK  00104070aSBCLbSBCLc2d2021-11-09g100.00l0o629.13 PRO-Op00068524r2021-11-09 00:00:00w2021-11-09yBOOK  c83780d83780