Dhawan, Er. R. K.
A textbook of engineering drawing : in first angle projection / Er. R. K. Dhawan - New Delhi. : S Chand & Company ; 1997. - 660 p. : ill ; 20 cm.
8121914310
--Engineering, Drawing.
604.24 / DHT
A textbook of engineering drawing : in first angle projection / Er. R. K. Dhawan - New Delhi. : S Chand & Company ; 1997. - 660 p. : ill ; 20 cm.
8121914310
--Engineering, Drawing.
604.24 / DHT