Gupta, R. B.
A text book of Engineering drawing / - 4th ed. - New Delhi Satya Prakashan 1978 - 435 p.
Engineering Drawing
604.2 / G9775
A text book of Engineering drawing / - 4th ed. - New Delhi Satya Prakashan 1978 - 435 p.
Engineering Drawing
604.2 / G9775