TY  - BOOK
AU  - Bureau of Indian Standards
TI  - Tangential Keys and Keyways (IS : 2291 - 1990) ISO 3117 - 1977
U1  - IS : 2291 - 1990 
PY  - 1991///
CY  - New Delhi
PB  - Bureau of Indian Standards
KW  - Indian Standard - IT
N1  - IS : 2291 - 1990 ISO 3117 : 1977
ER  -