000 00301nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a670.62 KHA
100 _aKhanna (O.P)
245 _aA text book of welding technology
260 _aNew Delhi
_bDhanpat Rai & Sons
365 _cRS
999 _c180597
_d180597