You Searched for - is 9139 (active,concurrent running)
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    IS 9139 (Active,Concurrent Running) : 1979     (Reaffirmed Year : 2019 )

    Malleable iron shots and grits for use in foundries

    Technical Committee : MTD 14

    Superseeded by : IS 9139 : 2023
    Status : withdrawn

    No. of Amendments : 2
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