000			003510000a22001450004500
245			_aProduction engineering : jig and tool design
100			_aJones, E.J.H.
250			_a8th ed.
260			_aLondon _bNewnew Butterworths _c1972
300			_a289 p.
500			_arevised by H.C. Town
080			_a621-229 _bJ6
041			_aEN
942			_cBK
999			_c102423 _d102423