BS 4189:1967被替代
Specification for conventional typographical character for legibility tests (ISO test character)
出版：British Standards Institution
专家解读视频
基本信息
标准编号： BS 4189:1967
发布时间：1967/7/20 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：8
标准简介
Shape, dimensions, grouping and disposition of test characters for use in assessing the performance of reading apparatus and the quality of microcopies in respect of legibility.
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 435:1975 - Equivalent
