000			00321nam a2200133Ia 4500
005			20260413100342.0
008			230516s9999||||xx |||||||||||||| ||und||
100			_aKhanna , O.P.
245		0	_aT.B. Welding Technology
260			_bDelhi, Dhanpat Rai _c2003
300			_a944
942			_cBB
999			_c276 _d276