JIS B 6420:1992被替代
Presswork machinery - Symbols for operations
出版：Japanese Standards Association
专家解读视频
基本信息
标准编号： JIS B 6420:1992
标准类别：Standard
出版单位：Japanese Standards Association
标准页数：14
标准简介
This Japanese Industrial Standard specifies the symbols for operations, to be used for the operating board of presswork machinery for general use. Furthermore, English equivalents are given for informative reference.
