International Organization for Standardization (ISO)
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ISO 491:2002
Scope
This International Standard specifies the cutting and perforating dimensions for 35 mm unexposed motion-picture film and 35 mm magnetic film, and the types of perforations used.
ISO 491:2002 history
2002ISO 491:2002 Cinematography - 35 mm motion-picture film and magnetic film - Cutting and perforating dimensions
1995ISO 491:1995 Cinematography - 35 mm motion-picture film and magnetic film - Cutting and perforation dimensions
1988ISO 491:1988 Cinematography; 35 mm motion-picture film and magnetic film; cutting and perforating dimensions
1983ISO 491:1983 Cinematography — 35 mm motion-picture film and magnetic film — Cutting and perforating dimensions
1978ISO 491:1978 Title missing - Legacy paper document
1974ISO 491:1974 Title missing - Legacy paper document