TY  - BOOK
AU  - Gupta, R B
TI  - A Text book of machine drawing: in first angle projection including third angle peojection also according to Bureau of Indian standards
U1  - 621.815 21st
PY  - 1995///
CY  - New Delhi
PB  - Satya
KW  - Machine design; Blue prints; Engineering drawing
ER  -