TY  - GEN
ED  - Sri Lanka Standards Institution,  Colombo LK
TI  - SLS 690 : pt.4 : 1985 : Graphical symbols used in electrotechnology, pt.4 - Machines, transformers, primary cells and accumulators
PY  - 1985///
CY  - Colombo
PB  - SLSI
KW  - a003.62:621.3
KW  - SRI LANKA-STANDARDS
KW  - STANDARDS-SRI LANKA
N1  - STD2878
ER  -