000 00307nam a2200121Ia 4500
020 _a8174090282
082 _a621.977
_bPAR
100 _aParmar, R.S.
245 _aWelding engineering and technology
260 _aDelhi
_bKhanna Publishers
_c1997,2004
300 _axix, 1270p
650 _aMechanical Engineering
999 _c2464
_d2464