000 00243nam a2200109Ia 4500
020 _a8174090282
082 _a671.52
100 _aPARMAR, R.S
245 _aWELDING ENGINEERING AND TECHONOLOGY
260 _aNEW DELHI
_b KHANNA
_c2011
942 _cBK
999 _c5420
_d5420