000 00296nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a671.52
100 _aParmar R S
245 0 _aWelding Engineering and Technology
250 _a2
260 _bKhanna Publishers,New Delhi
_c2016
942 _cBK
999 _c29992
_d29992