SLS 868 : 1989 : Specification for printing paper and writing paper
- Colombo SRI LANKA STANDARDS INSTITUTION 1989
- 11p.
STD2997
SLS 868 : 1989
a676.22/.23
SRI LANKA-STANDARDS
STANDARDS-SRI LANKA
STD2997
SLS 868 : 1989
a676.22/.23
SRI LANKA-STANDARDS
STANDARDS-SRI LANKA