You Searched for - is 3720
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    IS 3720 : 1983 ( IEC 90 : 1973)     (Reaffirmed Year : 2016 )

    Dimensions of Plugs for Hearing Aids

    Technical Committee : LTD 3
    Status : Active

    No. of Amendments : 0
    Price : ₹ 2,100.00 ( US$ 25.00)