SLS 551 : 1982 : Specification for padlocks
- Colombo BCS 1982
- 15p.
STD2745
SLS 551 : 1982
a683.33
SRI LANKA-STANDARDS
STANDARDS-SRI LANKA
683.33
STD2745
SLS 551 : 1982
a683.33
SRI LANKA-STANDARDS
STANDARDS-SRI LANKA
683.33