000			00312nam a2200133Ia 4500
008			211209s1972 xx 000 0 und d
041			_aeng
082			_a621.992 N72 JON/TOW
100			_aJONES E J H
245			_aPRODUCTION ENGINEERING: JIG AND TOOL DESIGN
250			_a8 ed.
260			_c1972
300			_a289
999			_c159 _d159