You Searched for - is 9921 : part 2
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    IS 9921 : Part 2 : 1982     (Reaffirmed Year : 2012 )

    Alternating current disconnectors (isolators) and earthing switches for voltages above 1000 V: Part 2 Rating

    Technical Committee : ETD 8

    Superseeded by :
    Status : withdrawn

    No. of Amendments : 0