00344nam a2200133Ia 4500008004100000020001800041041000800059082002100067100001700088245005300105250001100158260003300169300000800202211209s2019 xx 000 0 und d a9788125940005 aeng a620.00420285 JEY aJEYAPOOVAN T aENGINEERING DRAWING AND GRAPHICS USING AUTO CAD  a3RD ED bVIKAS PUBLISHING HOUSEc2019 a686