000			003630000a22001450004500
008			151104t1970 xxu||||| |||| 00| 0 eng d
020			_a0340124156
041			_aeng
080			_a621.9 _bM3
942			_cBK
100			_aMartin, S. John
245			_aNumerical control of machine tools
260			_aLondon _bHodder & Stoughton _c1970
300			_a302p. : ill.
999			_c141307 _d141307