00503nam 2202444 45000010005000000030023000050050009000280080041000370820008000780720056000860200017001421000016001592600040001752500006002152450036002216500056002576500010003132444StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a620 aAn Introduction to The Concept of Numerical Control a0-304-315702 aDavid Glbbs bEnglish Languge Book society c1987 a2 aAn Intrductron to CNC Machining aAn Introduction to The Concept of Numerical Control atitle