TY  - BOOK
AU  - Gupta,P.B.
TI  - Machine drawing /R.B. Gupta
SN  - 9176840211
U1  - 621.815 22
PY  - 1970///
CY  - New delhi
PB  - Satya Prakashan.
KW  - Machine Design
KW  - Machine Drawing
ER  -