You Searched for - is 7422 : part 4
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    IS 7422 : Part 4 : 1985     (Reaffirmed Year : 2019 )

    Symbols and abbreviations for use in geological maps, sections and subsruface exploratory logs: Part 4 Metamorphic rocks

    Technical Committee : WRD 5
    Status : Active

    No. of Amendments : 0