000 00268nam a2200121Ia 4500
100 _aKhanna/O.P
942 _cBK
654 _awelding
245 _aText book of Welding technology
260 _bDHANPAT RAI AND SONS
_aDelhi
_c1998
300 _a948
546 _aENGLISH
999 _c29109
_d29109