SLS 855 : part 1 : 1989 : specification for cement blocks : part 1 - requirements
- Colombo SRI LANKA STANDARDS INSTITUTION 1989
- 18p.
STD2990
SLS 855 : part 1 : 1989
a693.27:666.94
CEMENT-STANDARDS
SRI LANKA-STANDARDS
693.27:666.94
STD2990
SLS 855 : part 1 : 1989
a693.27:666.94
CEMENT-STANDARDS
SRI LANKA-STANDARDS
693.27:666.94