SLS : 415 : 1977 : Specification for mild steel filler rods for manual gas welding
- Colombo BUREAU OF CEYLON STANDARDS 1977
- 07p.
STD2604
SLS 415 : 1977
a621.791.042:621.791.5
SRI LANKA-STANDARDS
STANDARDS-SRI LANKA
STD2604
SLS 415 : 1977
a621.791.042:621.791.5
SRI LANKA-STANDARDS
STANDARDS-SRI LANKA