SLS 609 : 1983 : Specification for automatic line voltage stabilizers (step type) for domestic use
- Colombo BCS 1983
- 14p.
STD2819
SLS 609 : 1983
a621.316.722
SRI LANKA-STANDARDS
STANDARDS-SRI LANKA
621.316.722
STD2819
SLS 609 : 1983
a621.316.722
SRI LANKA-STANDARDS
STANDARDS-SRI LANKA
621.316.722