000 00284nam a2200121Ia 4500
005 20260413100434.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aKumar ,D.S.
245 0 _aMechanical Engineering
260 _bDelhi ,S.K. Katria & Sons
300 _a400
942 _cDB
999 _c1026
_d1026