You Searched for - IS 11830 : Part 2
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    IS 11830 : Part 2 : 1989     (Reaffirmed Year : 2019 )

    Water-well Drilling - Down-the-hole Hammer Rigs:part 2 General Requirements For Pneumatic Rigs

    Technical Committee : MED 21
    Status : Active

    No. of Amendments : 0
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