Indian Standard : outdoor type three - phase distribution transformers up to and including 100 kva 11 kv -- specification - part 1
Indian Standard : outdoor type three - phase distribution transformers up to and including 100 kva 11 kv -- specification - part 1
- New Delhi Bureau of Indian Standards 1990
- 7p.
IS : 1180 (part 1) - 1989
DC voltage signals
Indian Standard
IS : 1180 (part 1) - 1989
DC voltage signals
Indian Standard