000 00298nam a22001217a 4500
020 _a9788121926447
082 _a658.27
100 _aSRIVASTAVA SUSHIL KUMAR
245 _aMAINTENANCE ENGINEERING
_bPRINCIPLES , PRACTICES AND MANAGEMENT
260 _bS CHAND
_c2020
300 _a299
942 _cBK
999 _c7396
_d7396