TY  - BOOK
AU  - Bureau of Indian Standards
TI  - Proforma for Purchase Specification for Machine Tools: Part 1 General Purpose Parallel Lathes and Precision Lathes (IS : 6893 (Part 1) - 1988)
U1  - IS : 6893 (Part 1) - 1988 
PY  - 1989///
CY  - New Delhi
PB  - Bureau of Indian Standards
KW  - Indian Standard - IT
N1  - IS : 6893 (Part 1) - 1988
ER  -