IS: 1180 (Part 2) - 1989; Outdoor type three-phase distribution transformers upto and including 100kVA 11kV - Specification Part 2Sealed type
IS: 1180 (Part 2) - 1989; Outdoor type three-phase distribution transformers upto and including 100kVA 11kV - Specification Part 2Sealed type
- New Delhi BIS 1990
- 4p
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