You Searched for - IS 4257 : Part 1
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    IS 4257 : Part 1 : 1981     (Reaffirmed Year : 2019 )

    Dimensions for Clamping Arrangements for Porcelain Transformer Bushings - Part I : For 12 kV to 36 kV Bushings (Incorporated Amendement No.1)

    Technical Committee : ETD 6
    Status : Active

    No. of Amendments : 1
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