00426nam a22001697a 4500 NUST - PNEC 20170116181111.0 151003b xxu||||| |||| 00| 0 eng d 0870062476 LIBRARY 604.24 BRO 12907 Brown, Walter C. Drafting for industry Walter C. Brown c.1978 12910 Mechanical drawing ME ddc BK 69114 69114 0 0 ddc 0 0 PNEC PNEC WING-A 0000-00-00 0 604.24 BRO PNECLIB-017707 2015-10-03 0000-00-00 BK