000 00294nam a2200121Ia 4500
005 20260329235207.0
008 260329s9999||||xx |||||||||||||| ||und||
082 _aUPSC MEC. ENG.
100 _aIES
245 0 _aMechanical Engg. 2021
260 _aN.DELHI
_bIes Master Pub.
_c2021
942 _cBK
999 _c278977
_d278977