A textbook of engineering drawing
Dhawan R. K.
A textbook of engineering drawing geometrical drawing /by R. K. Dhawan - New Delhi : S. Chand , 1997. - [vi], (various pages) ill.
8121914310
Mechanical drawing
T353 / .C34 1939
A textbook of engineering drawing geometrical drawing /by R. K. Dhawan - New Delhi : S. Chand , 1997. - [vi], (various pages) ill.
8121914310
Mechanical drawing
T353 / .C34 1939