TY  - BOOK
ED  - Indian Standards Institution
TI  - Indian standard dimensions for spherical washers and conical seats
PY  - 1967///
CY  - New Delhi
PB  - Indian Standards Institution
KW  -  Conical Seats
KW  -  Spherical Washers 
KW  -  Standards 
KW  - NASA Thesaurus 
N1  - IS 4297 : 1967
ER  -