TY  - GEN
ED  - SRI LANKA STANDARDS INSTITUTION
TI  - SLS 938 : Part 1 : 1991 : Specification for plain metal washers : Pt. 1 - Small series - product grade A 
PY  - 1991///
CY  - Colombo
PB  - SLSI
KW  - a621.882.4
KW  - SRI LANKA-STANDARDS
KW  - STANDARDS-SRI LANKA
N1  - STD3044
ER  -