Specification for Alternating Current Disconnectors (Isolators) and Earthing Switches for Voltages Above 1000 V: Part 4 Type Tests and Routine Tests (IS : 9921 (Part 4) - 1985)

Bureau of Indian Standards

Specification for Alternating Current Disconnectors (Isolators) and Earthing Switches for Voltages Above 1000 V: Part 4 Type Tests and Routine Tests (IS : 9921 (Part 4) - 1985) - Second Reprint December 1997 - New Delhi Bureau of Indian Standards 1985 - 39p

IS : 9921 (Part 4) - 1985

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Indian Standard - IT

IS : 9921 (Part 4) - 1985 / BUR
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