Dhawan,R.K.
A textbook of engineering drawing : in first angle projection English R.K. Dhawan - New Delhi. : S.Chand; 1997. - x, 725p. : ill. ; 20cm.
8121908248
--Engineering Drawing.
604.2 / DHT
A textbook of engineering drawing : in first angle projection English R.K. Dhawan - New Delhi. : S.Chand; 1997. - x, 725p. : ill. ; 20cm.
8121908248
--Engineering Drawing.
604.2 / DHT