推荐性国家标准现行
GB/T 5298-1985
35mm电影遮幅法影片画面的位置及尺寸
Image area on 35mm motion-picture films with masked picture--Positions and dimensions
- 实施日期
- 1986-04-01
- ICS 分类
- 37.060.20
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 5298-1985
Image area on 35mm motion-picture films with masked picture--Positions and dimensions
GB/T 4642-1984
Image produced by 16mm motion-picture camera aperture--Position and dimensions
GB/T 4644-1984
Magnetic stripes and recording and reproducing head gaps for magnetic sound recordson 16mm motion-picture film perforated along one edge--Positions and width dimensions
GB/T 1315-1977
Thin-film coatings on optical parts--Classification, symbols and designations
GB/T 1205-1975
Minimum thicknesses in rim and centre of lens
GB/T 1204-1975
Chamfers for optical parts