International Organization for Standardization (ISO)
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ISO 3047:1982
Scope
This International Standard specifies the dimensions and characteristics of the general purpose daylight loading spool with a nominal capacity of 30 m (100 ft) for use in 35 mm motion-picture cameras.
NOTE — The dimensions specified in this International Standard are in substantial agreement with corresponding dimensions for microfilm camera spools described in ISO 1116 (see the annex).
ISO 3047:1982 history
1982ISO 3047:1982 Cinematography; Spool, daylight loading type, for 35 mm motion-picture cameras (capacity 30 m - 100 ft); Dimensions
1975ISO 3047:1975 Title missing - Legacy paper document