00488nam a2200181Ia 4500 221231s9999 xx 000 0 und d 620.004 GOP Gopalakrishna K.R Ravindra A.S 9827 Computer Aided Machine Drawing 37th ed Bangalore shubash stores 2012 432p Mechanical Engineering 9828 Computer,Aided,Machine,Drawing,Mechanical 9829 BE_BK 5808 5808