000			00311nam a2200145Ia 4500
100			_aColvin/F.H/ Stanley/F.A
250			_a3
942			_cBK
654			_agrinding
245			_aGrinding practice
260			_bMcGraw Hill _aNew York _c1950
082			_a621.92028 _bCOL
300			_a419
546			_aENGLISH
999			_c23101 _d23101