
Specification for 35 mm microcopying of technical drawings. Operating procedures
出版:British Standards Institution

专家解读视频
基本信息
标准编号: BS 4210-1:1977
发布时间:1977/12/30 0:00:00
标准类别:Standard
出版单位:British Standards Institution
标准页数:12
标准简介
Size and quality of original. Quality of microfilm. Reduction and enlargement ratios. Methods of filming large originals in sections.
标准备注
© British Standards Institution 2013
替代本标准的新标准
等同采用的国际标准
ISO 3272-1:2003 - Similar