BS 2481-1(1982) : 1982被替代
TYPEWRITERS - SPECIFICATION FOR KEYBOARD ARRANGEMENTS
出版：British Standards Institution
专家解读视频
基本信息
标准编号： BS 2481-1(1982) : 1982
发布时间：1982/1/1 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：4
标准简介
Establishes keyboard layouts for typewriters having 44 or more keys. It specifies, the line and character spacings provided on typewriters and the minimum number of different line spacings that it is possible to select.
