ISO 6197-1-1980 标准详情
- 标准号:ISO 6197-1-1980
- 中文标题:剪报的缩微摄影.第1部分:16mm银-明胶型缩微胶卷
- 英文标题:microfilming of press cuttings - part 1: 16 mm silver-gelatin type roll microfilm first edition
- 标准类别:国际标准化组织标准ISO
- 发布日期:1980-01-01
Large page size and poor print quality makes the use of high reduction ratios for microfilming newspapers on 16 mm roll film inadvisable at times. Since, however, press cuttings are usually smaller than full-page newspapers, they can be filmed at a l
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