You Searched for - is 2597 : part 3
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    IS 2597 : Part 3 : 1969     (Reaffirmed Year : 2015 )

    Code of Practice for the use of Electron Tubes - Part III : Transmitting and Industrial Tubes

    Technical Committee : LTD 4

    Superseeded by : decided by council
    Status : withdrawn

    No. of Amendments : 1