TY  - BOOK
AU  - 
ED  - New Delhi.Indian standard Institution
ED  - New Delhi.Indian standard Institution
TI  - Code of practice for general engineering drawings: Indian standard
U1  - 744.422 
PY  - 1960///
CY  - New Delhi
PB  - Indian Standard Institutio
KW  - Engineering drawing
KW  - Indian standard
ER  -