SLS 281 : 1981 : Specification for tooth powder (First revision)
- Colombo Bureau of Ceylon Standards 1981
- 11p.
STD2495
SLS 281 : 1981
a668.583
SRI LANKA-STANDARDS
STANDARDS-SRI LANKA
668.583
STD2495
SLS 281 : 1981
a668.583
SRI LANKA-STANDARDS
STANDARDS-SRI LANKA
668.583