SLS 888 : 1990 : Specification for the definition of welding positions
- Colombo SLSI 1990
- 10p.
STD3013
SLS 888 : 1990
a621.791
SRI LANKLA-STANDARDS
STANDARDS-SRI LANKA
621.791
STD3013
SLS 888 : 1990
a621.791
SRI LANKLA-STANDARDS
STANDARDS-SRI LANKA
621.791