000 00348nam a22001217a 4500
999 _c58362
_d58359
100 _aMuhammad Zaheer
100 _a07ME21
245 _aCase Study of Piping System Design and its Maintenance in National Refinery Ltd.
260 _aNawabshah:
_bQUEST,
_c2007
300 _a105p.
700 _aDepartment of Mechanical Engineering
942 _cTHESIS