Alternating current static watt- hour meters for active energy ( classes 0.2sand 0.5s
Alternating current static watt- hour meters for active energy ( classes 0.2sand 0.5s
- NAIROBI KEBS 1992
978-9966-239-56-3
621.37450218KEN
978-9966-239-56-3
621.37450218KEN