ISO 3639-1981 电影 超8mm电影胶片用的直径75～312mm的电影放映片夹/片盘 尺寸和规范

标准号：ISO 3639-1981
中文标准名称：电影 超8mm电影胶片用的直径75～312mm的电影放映片夹/片盘 尺寸和规范
英文标准名称：Cinematography; Projection reels/spools 75 to 312 mm diameter for 8 mm Type S motion-picture film; Dimensions and specifications
标准类型：N41
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：N41
国际标准分类号：37.060.10
适用范围：This International Standard specifies the dimensions for 8 mm Type S motion-picture projection reels/spools of 75 to 312 mm diameter (with the exception of the 75 mm Type No. 7) that are interchangeable on all types of reel-to-reel projection equip-ment. NOTE — The No. 7 reel (75 mm), although temporarily recognized, will be superseded by that specified in ISO 6033. It is recommended that new projection equipment and reel/spool manufacturing capacity should comply with the requirements of ISO 6033.