Machine drawing /R.B. Gupta.
Gupta, P.B.
Machine drawing /R.B. Gupta. - 6th ed. - New delhi : Satya Prakashan. 1970. - 791p. : 24cm.
9176840211
Machine Design.
Machine Drawing.
621.815 / GUP
Machine drawing /R.B. Gupta. - 6th ed. - New delhi : Satya Prakashan. 1970. - 791p. : 24cm.
9176840211
Machine Design.
Machine Drawing.
621.815 / GUP