You Searched for - IS 11830 : Part 1
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    IS 11830 : Part 1 : 1991     (Reaffirmed Year : 2022 )

    Water Well-drilling Down-the-hole Hammer Rigs Part 1 General Requirements For Hydraulic Rigs With Or Without Rotary Mode

    Technical Committee : MED 21
    Status : Active

    No. of Amendments : 0
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