SLS 912 : 1990 : Specification for Red Phosphorus
- Colombo SLSI 1990
- 11p.
STD3030
SLS 912 : 1990
a661.631:662.532
SRI LANKA-STANDARDS
STANDRDS-SRI LANKA
661.631:662.532
STD3030
SLS 912 : 1990
a661.631:662.532
SRI LANKA-STANDARDS
STANDRDS-SRI LANKA
661.631:662.532