00269nam a2200097Ia 4500100004900000654001500049245005200064260003500116300000800151546001200159  aGovernment of India/Ministry of Lab & Emplo   aMechanical  aManual For The Trade of Draughtsman  Mechanical  bGovt. of IndiaaNewDelhic1964  a190  aENGLISH