IS:09921 (PART 5) - 1985; Specification for alternating current disconnectors(Isolators) and earthing switches for voltages above 1 000 V Part 5; Information to be given with tenders enquiries and orders
IS:09921 (PART 5) - 1985; Specification for alternating current disconnectors(Isolators) and earthing switches for voltages above 1 000 V Part 5; Information to be given with tenders enquiries and orders
- New Delhi BIS 1985
- 8p
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