A text book of machine drawing/17th ed.
Gill, P.S
A text book of machine drawing/17th ed. - 17th ed. - New Delhi S.K. Kataria and Sons 1997 - 577p.
621.9.06--Engineering drawing--Machine drawing
621.9.06 / GIL
A text book of machine drawing/17th ed. - 17th ed. - New Delhi S.K. Kataria and Sons 1997 - 577p.
621.9.06--Engineering drawing--Machine drawing
621.9.06 / GIL