You Searched for - is 6561 to 6564
  • 1
    IS 6561 to 6564 : 1972     (Reaffirmed Year : 2021 )

    Specifications for test films for 35mm motion- picture sound reproducers, photographic type

    Technical Committee : MED 32

    Superseeded by : Decided by Council
    Status : withdrawn

    No. of Amendments : 0