TY  - BOOK
AU  - Bureau of Indian Standards
TI  - Specification for Countersinks 90 with Parallel Shanks and Solid Pilots (IS : 5693 - 1988)
U1  - IS : 5693 - 1988 
PY  - 1989///
CY  - New Delhi
PB  - Bureau of Indian Standards
KW  - Indian Standard - IT
N1  - IS : 5693 - 1988
ER  -