Dhawan,R.K.
A textbook of engineering drawing : in first angle projection English R.K. Dhawan - New Delhi. : S.Chand; 1997. - xii, 673p. : ill. ; 20cm.
8121914310
--Engineering Drawing.
604.2 / DHT
A textbook of engineering drawing : in first angle projection English R.K. Dhawan - New Delhi. : S.Chand; 1997. - xii, 673p. : ill. ; 20cm.
8121914310
--Engineering Drawing.
604.2 / DHT