000 00281nam a2200109Ia 4500
008 211209s1980 xx 000 0 und d
041 _aeng
082 _a621.9023 N80 BAR
100 _aBARTSCH W
245 _aNUMERICAL CONTROL OF MACHINE TOOLS
260 _bWILLEY EASTERN LTD.
_c1980
999 _c17078
_d17078