000 00312nam a22001337a 4500
008 151007b xxu||||| |||| 00| 0 eng d
082 _a621.4600288 RAY
100 _aRay, S
_92891
245 _aMaterial and working
260 _bNCERT
300 _a82p
650 _xEngineering Books
_92892
942 _2ddc
_cBK
999 _c19305
_d19305