00439nam a22001097a 4500020002200000082001600022100002200038245005800060260006000118300002900178650012200207  a81239904016 (pbk)  a621.75bCHA  aChapman, W. A. J.  aWorkshop technology b: part 1 an introductory course  aCBS Publishers & Distributors PVT. LTDbNew Delhic1976  a412 p.b: ill.c; 21 cm.  aMachine engineering aMechanisms engineering vPrecision work vMachine tools vDrilling and boring vGrinding vRCST