000 00261nam a22001217a 4500
020 _a9789381348697
100 _aLal, Roop
245 _aProduct Development
260 _aNew Delhi:
_bVayu;
_c2012.
300 _a230
650 _aMechanical
942 _2ddc
_cBK
999 _c185075
_d185075