SLS 637 : 1984 : Specification for rubber bands
- Colombo SLSI 1984
- 9p.
STD2836
SLS 637 : 1984
a677.064:687.112
SRI LANKA-STANDARDS
STANDARDS-SRI LANKA
677.064:687.112
STD2836
SLS 637 : 1984
a677.064:687.112
SRI LANKA-STANDARDS
STANDARDS-SRI LANKA
677.064:687.112