000			00311nam a2200133 4500
020			_a0850830338
020			_a0850835607
082			_a620.0073 _bENT
245			_aThin Plate Working ll
260			_aEngland: _bThe Engineering Industry Training Borad, _c1984.
500			_aPB.
546			_aEng.
942			_cBK
999			_c68452 _d68452