TY  - GEN
ED  - BUREAU OF CEYLON STANDARDS
TI  - SLS : 481 : 1980 : Specification for Hexagon bolts screws and nuts (commercial grade)
PY  - 1980///
CY  - Colombo
PB  - BUREAU OF CEYLON STANDARDS
KW  - a621.882
KW  - SRI LANKA-STANDARDS
KW  - STANDARDS-SRI LANKA
N1  - STD2667
ER  -