You Searched for - is 4257 : part 2
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    IS 4257 : Part 2 : 1986     (Reaffirmed Year : 2019 )

    Dimensions for clamping arrangements for porcelain transformer bushings: Part 2 For 72.5 kV and 123 kV bushings

    Technical Committee : ETD 6
    Status : Active

    No. of Amendments : 0
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