000			003220000a22001330004500
245			_aHandbook for estimating machining times
100			_aGorgon, T.W.
250			_a3d rev. ed.
260			_aLondon _bMachinery Publishing Co. _c1964
300			_a164 p.
080			_a621.9:65.015.2 _bG6
041			_aEN
942			_cBK
999			_c95118 _d95118