00447nam a22001817a 4500 NUST - PNEC 20170116180900.0 150901b xxu||||| |||| 00| 0 eng d 0706905830 LIBRARY 604.24 AGA 6238 Agarwal, D.D. Machine drawing D.D. Agarwal 2nd ed. New Delhi: c1979 6239 Engineering drawing ME ddc BK 64927 64927 0 0 ddc 0 0 PNEC PNEC WING-A 0000-00-00 0 604.24 AGA PNECLIB-006627 2015-09-01 0000-00-00 BK