00443cam a2200145K 4500 28845 28845 100402s1939 paua ob 000 0 eng d 8121914310 Dhawan R. K. 7499 A textbook of engineering drawing geometrical drawing /by R. K. Dhawan New Delhi : S. Chand , 1997. [vi], (various pages) ill. Mechanical drawing 4664 BK T353 .C34 1939 0 0 lcc 0 0 NFIC MAIN MAIN OOER 2012-10-29 GFT 1 T 353 .G38 2001 0026526 2014-10-02 00:00:00 2014-09-29 2 BK 0 0 lcc 0 0 NFIC MAIN MAIN OOER 2014-09-10 GFT 1 T 353 .C34 0023448 2014-09-18 00:00:00 2014-09-10 2 2014-09-10 BK