00470nam a2200157 a 4500008004100000020002200041100001800063245007000081260003000151300003300181500002000214650005100234003000100285005001700286040000900303                                          a0304314129 (pbk.)1 aGibbs, David.13aAn introduction to CNC machining and programming  /cDavid Gibbs.  aLondon :bCassel,cc1987.  aix, 206 p. :bill. ;c24 cm.  aIncludes index. 0aMachine-toolsxNumerical controlxProgramming.20230123134104.0  cNUST