ISO 360:1975 Cinematography — Recording and reproducing head gaps for four magnetic sound records on 35 mm motion-picture film containing no picture — Positions and width dimensions
International Organization for Standardization (ISO)
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ISO 360:1975
ISO 360:1975 history
1975ISO 360:1975 Cinematography — Recording and reproducing head gaps for four magnetic sound records on 35 mm motion-picture film containing no picture — Positions and width dimensions